22012121112102 has 48 divisors (see below), whose sum is σ = 53822741291280. Its totient is φ = 6440328014400.

The previous prime is 22012121111993. The next prime is 22012121112119. The reversal of 22012121112102 is 20121112121022.

22012121112102 is a `hidden beast` number, since 220 + 1 + 21 + 211 + 1 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1916758549 + ... + 1916770032.

It is an arithmetic number, because the mean of its divisors is an integer number (1121307110235).

Almost surely, 2^{22012121112102} is an apocalyptic number.

22012121112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22012121112102 is an abundant number, since it is smaller than the sum of its proper divisors (31810620179178).

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

22012121112102 is a wasteful number, since it uses less digits than its factorization.

22012121112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833528629 (or 3833528626 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22012121112102 its reverse (20121112121022), we get a palindrome (42133233233124).

The spelling of 22012121112102 in words is "twenty-two trillion, twelve billion, one hundred twenty-one million, one hundred twelve thousand, one hundred two".