2121202232130 has 64 divisors (see below), whose sum is σ = 5395789790208. Its totient is φ = 531842826240.

The previous prime is 2121202232129. The next prime is 2121202232173. The reversal of 2121202232130 is 312322021212.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2121202232097 and 2121202232106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1593087 + ... + 2603906.

It is an arithmetic number, because the mean of its divisors is an integer number (84309215472).

Almost surely, 2^{2121202232130} is an apocalyptic number.

2121202232130 is an abundant number, since it is smaller than the sum of its proper divisors (3274587558078).

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

2121202232130 is a wasteful number, since it uses less digits than its factorization.

2121202232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198011.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2121202232130 its reverse (312322021212), we get a palindrome (2433524253342).

The spelling of 2121202232130 in words is "two trillion, one hundred twenty-one billion, two hundred two million, two hundred thirty-two thousand, one hundred thirty".