22021110002112 has 168 divisors, whose sum is σ = 63572427388800. Its totient is φ = 6724001756160.

The previous prime is 22021110002063. The next prime is 22021110002123. The reversal of 22021110002112 is 21120001112022.

It is a junction number, because it is equal to n+sod(n) for n = 22021110002091 and 22021110002100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1660389 + ... + 6840987.

Almost surely, 2^{22021110002112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22021110002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31786213694400).

22021110002112 is an abundant number, since it is smaller than the sum of its proper divisors (41551317386688).

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

22021110002112 is a wasteful number, since it uses less digits than its factorization.

22021110002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180771 (or 5180748 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22021110002112 its reverse (21120001112022), we get a palindrome (43141111114134).

The spelling of 22021110002112 in words is "twenty-two trillion, twenty-one billion, one hundred ten million, two thousand, one hundred twelve".