2121212111210 has 16 divisors (see below), whose sum is σ = 3839512428000. Its totient is φ = 843744704976.

The previous prime is 2121212111203. The next prime is 2121212111273. The reversal of 2121212111210 is 121112121212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592515560 + ... + 592519139.

It is an arithmetic number, because the mean of its divisors is an integer number (239969526750).

Almost surely, 2^{2121212111210} is an apocalyptic number.

2121212111210 is a deficient number, since it is larger than the sum of its proper divisors (1718300316790).

2121212111210 is a wasteful number, since it uses less digits than its factorization.

2121212111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185034885.

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

Adding to 2121212111210 its reverse (121112121212), we get a palindrome (2242324232422).

The spelling of 2121212111210 in words is "two trillion, one hundred twenty-one billion, two hundred twelve million, one hundred eleven thousand, two hundred ten".