2212112112102 has 32 divisors (see below), whose sum is σ = 4931611176960. Its totient is φ = 734999731560.

The previous prime is 2212112112061. The next prime is 2212112112127. The reversal of 2212112112102 is 2012112112122.

2212112112102 is a `hidden beast` number, since 221 + 21 + 1 + 211 + 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 15 ways as a sum of consecutive naturals, for example, 65843398 + ... + 65876985.

It is an arithmetic number, because the mean of its divisors is an integer number (154112849280).

Almost surely, 2^{2212112112102} is an apocalyptic number.

2212112112102 is an abundant number, since it is smaller than the sum of its proper divisors (2719499064858).

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

2212112112102 is a wasteful number, since it uses less digits than its factorization.

2212112112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131720705 (or 131720699 counting only the distinct ones).

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

Adding to 2212112112102 its reverse (2012112112122), we get a palindrome (4224224224224).

The spelling of 2212112112102 in words is "two trillion, two hundred twelve billion, one hundred twelve million, one hundred twelve thousand, one hundred two".