2122222121210 has 32 divisors (see below), whose sum is σ = 3864674892672. Its totient is φ = 838990916800.

The previous prime is 2122222121183. The next prime is 2122222121221. The reversal of 2122222121210 is 121212222212.

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, 1297454 + ... + 2434713.

It is an arithmetic number, because the mean of its divisors is an integer number (120771090396).

Almost surely, 2^{2122222121210} is an apocalyptic number.

2122222121210 is a deficient number, since it is larger than the sum of its proper divisors (1742452771462).

2122222121210 is a wasteful number, since it uses less digits than its factorization.

2122222121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732838.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2122222121210 its reverse (121212222212), we get a palindrome (2243434343422).

The spelling of 2122222121210 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred ten".