22121022012122 has 64 divisors (see below), whose sum is σ = 36857887653888. Its totient is φ = 9873417960000.

The previous prime is 22121022012101. The next prime is 22121022012139.

22121022012122 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×22121022012122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22121022012094 and 22121022012103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 853059497 + ... + 853085427.

It is an arithmetic number, because the mean of its divisors is an integer number (575904494592).

Almost surely, 2^{22121022012122} is an apocalyptic number.

22121022012122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22121022012122 is a deficient number, since it is larger than the sum of its proper divisors (14736865641766).

22121022012122 is a wasteful number, since it uses less digits than its factorization.

22121022012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29195.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 2212102 and 2012122, that added together give a palindrome (4224224).

The spelling of 22121022012122 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-two million, twelve thousand, one hundred twenty-two".