1220110202112 has 72 divisors (see below), whose sum is σ = 3300506566560. Its totient is φ = 400036116480.

The previous prime is 1220110202107. The next prime is 1220110202117. The reversal of 1220110202112 is 2112020110221.

It is an interprime number because it is at equal distance from previous prime (1220110202107) and next prime (1220110202117).

It is a junction number, because it is equal to n+sod(n) for n = 1220110202091 and 1220110202100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220110202117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12975162 + ... + 13068857.

It is an arithmetic number, because the mean of its divisors is an integer number (45840368980).

Almost surely, 2^{1220110202112} is an apocalyptic number.

1220110202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220110202112 is an abundant number, since it is smaller than the sum of its proper divisors (2080396364448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220110202112 is an equidigital number, since it uses as much as digits as its factorization.

1220110202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26044099 (or 26044085 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1220110202112 its reverse (2112020110221), we get a palindrome (3332130312333).

The spelling of 1220110202112 in words is "one trillion, two hundred twenty billion, one hundred ten million, two hundred two thousand, one hundred twelve".