211120121210 has 32 divisors (see below), whose sum is σ = 380479617792. Its totient is φ = 84345143680.

The previous prime is 211120121167. The next prime is 211120121239. The reversal of 211120121210 is 12121021112.

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, 53979155 + ... + 53983065.

It is an arithmetic number, because the mean of its divisors is an integer number (11889988056).

Almost surely, 2^211120121210 is an apocalyptic number.

211120121210 is a deficient number, since it is larger than the sum of its proper divisors (169359496582).

211120121210 is a wasteful number, since it uses less digits than its factorization.

211120121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9118.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211120121210 its reverse (12121021112), we get a palindrome (223241142322).

The spelling of 211120121210 in words is "two hundred eleven billion, one hundred twenty million, one hundred twenty-one thousand, two hundred ten".