2102121201102 has 16 divisors (see below), whose sum is σ = 4527645664080. Its totient is φ = 646806523392.

The previous prime is 2102121201073. The next prime is 2102121201161. The reversal of 2102121201102 is 2011021212012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13475135827 + ... + 13475135982.

It is an arithmetic number, because the mean of its divisors is an integer number (282977854005).

Almost surely, 2^{2102121201102} is an apocalyptic number.

2102121201102 is an abundant number, since it is smaller than the sum of its proper divisors (2425524462978).

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

2102121201102 is a wasteful number, since it uses less digits than its factorization.

2102121201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26950271827.

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

Adding to 2102121201102 its reverse (2011021212012), we get a palindrome (4113142413114).

The spelling of 2102121201102 in words is "two trillion, one hundred two billion, one hundred twenty-one million, two hundred one thousand, one hundred two".