22112101212102 has 96 divisors (see below), whose sum is σ = 57745436336640. Its totient is φ = 6032286754560.

The previous prime is 22112101212077. The next prime is 22112101212109. The reversal of 22112101212102 is 20121210121122.

22112101212102 is a `hidden beast` number, since 221 + 1 + 210 + 1 + 21 + 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 not an unprimeable number, because it can be changed into a prime (22112101212109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142732402 + ... + 142887237.

It is an arithmetic number, because the mean of its divisors is an integer number (601514961840).

Almost surely, 2^{22112101212102} is an apocalyptic number.

22112101212102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22112101212102 is an abundant number, since it is smaller than the sum of its proper divisors (35633335124538).

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

22112101212102 is a wasteful number, since it uses less digits than its factorization.

22112101212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285619698 (or 285619695 counting only the distinct ones).

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

Adding to 22112101212102 its reverse (20121210121122), we get a palindrome (42233311333224).

The spelling of 22112101212102 in words is "twenty-two trillion, one hundred twelve billion, one hundred one million, two hundred twelve thousand, one hundred two".