2122111020102 has 32 divisors (see below), whose sum is σ = 4555442205792. Its totient is φ = 656640313344.

The previous prime is 2122111020101. The next prime is 2122111020149. The reversal of 2122111020102 is 2010201112212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122111020101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142492623 + ... + 142507514.

It is an arithmetic number, because the mean of its divisors is an integer number (142357568931).

Almost surely, 2^{2122111020102} is an apocalyptic number.

2122111020102 is an abundant number, since it is smaller than the sum of its proper divisors (2433331185690).

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

2122111020102 is a wasteful number, since it uses less digits than its factorization.

2122111020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285000232.

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

Adding to 2122111020102 its reverse (2010201112212), we get a palindrome (4132312132314).

The spelling of 2122111020102 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, twenty thousand, one hundred two".