2121201102 has 32 divisors (see below), whose sum is σ = 4385433600. Its totient is φ = 683292960.

The previous prime is 2121201073. The next prime is 2121201119. The reversal of 2121201102 is 2011021212.

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, 130524 + ... + 145872.

It is an arithmetic number, because the mean of its divisors is an integer number (137044800).

Almost surely, 2^2121201102 is an apocalyptic number.

2121201102 is an abundant number, since it is smaller than the sum of its proper divisors (2264232498).

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

2121201102 is a wasteful number, since it uses less digits than its factorization.

2121201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16128.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2121201102 is about 46056.4990202251. The cubic root of 2121201102 is about 1284.8742178305.

Adding to 2121201102 its reverse (2011021212), we get a palindrome (4132222314).

The spelling of 2121201102 in words is "two billion, one hundred twenty-one million, two hundred one thousand, one hundred two".