2121102121202 has 32 divisors (see below), whose sum is σ = 3255668681472. Its totient is φ = 1035969049984.

The previous prime is 2121102121199. The next prime is 2121102121213. The reversal of 2121102121202 is 2021212011212.

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, 106188488 + ... + 106208460.

It is an arithmetic number, because the mean of its divisors is an integer number (101739646296).

Almost surely, 2^{2121102121202} is an apocalyptic number.

2121102121202 is a deficient number, since it is larger than the sum of its proper divisors (1134566560270).

2121102121202 is a wasteful number, since it uses less digits than its factorization.

2121102121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22162.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2121102121202 its reverse (2021212011212), we get a palindrome (4142314132414).

The spelling of 2121102121202 in words is "two trillion, one hundred twenty-one billion, one hundred two million, one hundred twenty-one thousand, two hundred two".