1022211212120 has 32 divisors (see below), whose sum is σ = 2628543117600. Its totient is φ = 350472415488.

The previous prime is 1022211212119. The next prime is 1022211212131. The reversal of 1022211212120 is 212121122201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1825376885 + ... + 1825377444.

It is an arithmetic number, because the mean of its divisors is an integer number (82141972425).

Almost surely, 2^{1022211212120} is an apocalyptic number.

1022211212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022211212120 is an abundant number, since it is smaller than the sum of its proper divisors (1606331905480).

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

1022211212120 is a wasteful number, since it uses less digits than its factorization.

1022211212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650754347 (or 3650754343 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022211212120 its reverse (212121122201), we get a palindrome (1234332334321).

The spelling of 1022211212120 in words is "one trillion, twenty-two billion, two hundred eleven million, two hundred twelve thousand, one hundred twenty".