211112121122110 has 16 divisors (see below), whose sum is σ = 409232727098496. Its totient is φ = 77949090875808.

The previous prime is 211112121122093. The next prime is 211112121122129. The reversal of 211112121122110 is 11221121211112.

It is a congruent number.

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, 811969696494 + ... + 811969696753.

It is an arithmetic number, because the mean of its divisors is an integer number (25577045443656).

Almost surely, 2^{211112121122110} is an apocalyptic number.

211112121122110 is a deficient number, since it is larger than the sum of its proper divisors (198120605976386).

211112121122110 is a wasteful number, since it uses less digits than its factorization.

211112121122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623939393267.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 211112121122110 its reverse (11221121211112), we get a palindrome (222333242333222).

The spelling of 211112121122110 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred ten".