20112111022 has 8 divisors (see below), whose sum is σ = 30210127200. Its totient is φ = 10042068624.

The previous prime is 20112110989. The next prime is 20112111109. The reversal of 20112111022 is 22011121102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20112111022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112110993 and 20112111011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6991647 + ... + 6994522.

It is an arithmetic number, because the mean of its divisors is an integer number (3776265900).

Almost surely, 2^20112111022 is an apocalyptic number.

20112111022 is a deficient number, since it is larger than the sum of its proper divisors (10098016178).

20112111022 is a wasteful number, since it uses less digits than its factorization.

20112111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13986890.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20112111022 its reverse (22011121102), we get a palindrome (42123232124).

The spelling of 20112111022 in words is "twenty billion, one hundred twelve million, one hundred eleven thousand, twenty-two".