22121112110120 has 64 divisors (see below), whose sum is σ = 49911200514000. Its totient is φ = 8823802134528.

The previous prime is 22121112110101. The next prime is 22121112110171. The reversal of 22121112110120 is 2101121112122.

It can be written as a sum of positive squares in 8 ways, for example, as 11971752240484 + 10149359869636 = 3460022^2 + 3185806^2 .

It is a super-3 number, since 3×22121112110120³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48082136 + ... + 48540024.

Almost surely, 2^{22121112110120} is an apocalyptic number.

22121112110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121112110120 is an abundant number, since it is smaller than the sum of its proper divisors (27790088403880).

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

22121112110120 is a wasteful number, since it uses less digits than its factorization.

22121112110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461262 (or 461258 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22121112110120 its reverse (2101121112122), we get a palindrome (24222233222242).

The spelling of 22121112110120 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twelve million, one hundred ten thousand, one hundred twenty".