20112010122 has 16 divisors (see below), whose sum is σ = 40225662432. Its totient is φ = 6703729680.

The previous prime is 20112010111. The next prime is 20112010141. The reversal of 20112010122 is 22101021102.

It is a super-2 number, since 2×20112010122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112010098 and 20112010107.

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, 139297 + ... + 244187.

It is an arithmetic number, because the mean of its divisors is an integer number (2514103902).

Almost surely, 2^20112010122 is an apocalyptic number.

20112010122 is an abundant number, since it is smaller than the sum of its proper divisors (20113652310).

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

20112010122 is a wasteful number, since it uses less digits than its factorization.

20112010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136853.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20112010122 its reverse (22101021102), we get a palindrome (42213031224).

The spelling of 20112010122 in words is "twenty billion, one hundred twelve million, ten thousand, one hundred twenty-two".