2121211212110 has 32 divisors (see below), whose sum is σ = 3822166656000. Its totient is φ = 847599012000.

The previous prime is 2121211212089. The next prime is 2121211212161. The reversal of 2121211212110 is 112121121212.

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, 45458171 + ... + 45504809.

It is an arithmetic number, because the mean of its divisors is an integer number (119442708000).

Almost surely, 2^{2121211212110} is an apocalyptic number.

2121211212110 is a deficient number, since it is larger than the sum of its proper divisors (1700955443890).

2121211212110 is a wasteful number, since it uses less digits than its factorization.

2121211212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51296.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2121211212110 its reverse (112121121212), we get a palindrome (2233332333322).

The spelling of 2121211212110 in words is "two trillion, one hundred twenty-one billion, two hundred eleven million, two hundred twelve thousand, one hundred ten".