2111212020102 has 32 divisors (see below), whose sum is σ = 4294135209600. Its totient is φ = 691786282368.

The previous prime is 2111212020077. The next prime is 2111212020119. The reversal of 2111212020102 is 2010202121112.

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, 12735633 + ... + 12900339.

It is an arithmetic number, because the mean of its divisors is an integer number (134191725300).

Almost surely, 2^{2111212020102} is an apocalyptic number.

2111212020102 is an abundant number, since it is smaller than the sum of its proper divisors (2182923189498).

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

2111212020102 is a wasteful number, since it uses less digits than its factorization.

2111212020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200980.

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

Adding to 2111212020102 its reverse (2010202121112), we get a palindrome (4121414141214).

The spelling of 2111212020102 in words is "two trillion, one hundred eleven billion, two hundred twelve million, twenty thousand, one hundred two".