2122112211102 has 48 divisors (see below), whose sum is σ = 5035520533680. Its totient is φ = 641890521216.

The previous prime is 2122112210993. The next prime is 2122112211119. The reversal of 2122112211102 is 2011122112212.

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, 76840903 + ... + 76868514.

It is an arithmetic number, because the mean of its divisors is an integer number (104906677785).

Almost surely, 2^{2122112211102} is an apocalyptic number.

2122112211102 is an abundant number, since it is smaller than the sum of its proper divisors (2913408322578).

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

2122112211102 is a wasteful number, since it uses less digits than its factorization.

2122112211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153709497 (or 153709494 counting only the distinct ones).

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

Adding to 2122112211102 its reverse (2011122112212), we get a palindrome (4133234323314).

The spelling of 2122112211102 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, two hundred eleven thousand, one hundred two".