2111222120210 has 32 divisors (see below), whose sum is σ = 4343227464960. Its totient is φ = 723823924032.

The previous prime is 2111222120201. The next prime is 2111222120237. The reversal of 2111222120210 is 120212221112.

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, 1735376 + ... + 2689604.

It is an arithmetic number, because the mean of its divisors is an integer number (135725858280).

Almost surely, 2^{2111222120210} is an apocalyptic number.

2111222120210 is an abundant number, since it is smaller than the sum of its proper divisors (2232005344750).

2111222120210 is a wasteful number, since it uses less digits than its factorization.

2111222120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985850.

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

Adding to 2111222120210 its reverse (120212221112), we get a palindrome (2231434341322).

It can be divided in two parts, 211122 and 2120210, that added together give a palindrome (2331332).

The spelling of 2111222120210 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, one hundred twenty thousand, two hundred ten".