2102111202201 has 16 divisors (see below), whose sum is σ = 2842368236928. Its totient is φ = 1381631888000.

The previous prime is 2102111202197. The next prime is 2102111202209. The reversal of 2102111202201 is 1022021112012.

It is a cyclic number.

It is not a de Polignac number, because 2102111202201 - 2² = 2102111202197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102111202209) 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, 9303175 + ... + 9526451.

It is an arithmetic number, because the mean of its divisors is an integer number (177648014808).

Almost surely, 2^{2102111202201} is an apocalyptic number.

It is an amenable number.

2102111202201 is a deficient number, since it is larger than the sum of its proper divisors (740257034727).

2102111202201 is a wasteful number, since it uses less digits than its factorization.

2102111202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267552.

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

Adding to 2102111202201 its reverse (1022021112012), we get a palindrome (3124132314213).

The spelling of 2102111202201 in words is "two trillion, one hundred two billion, one hundred eleven million, two hundred two thousand, two hundred one".