212120110110110 has 64 divisors (see below), whose sum is σ = 391919955148800. Its totient is φ = 82621656006912.

The previous prime is 212120110110049. The next prime is 212120110110133. The reversal of 212120110110110 is 11011011021212.

It is a super-2 number, since 2×212120110110110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139306061 + ... + 140820519.

It is an arithmetic number, because the mean of its divisors is an integer number (6123749299200).

Almost surely, 2^{212120110110110} is an apocalyptic number.

212120110110110 is a deficient number, since it is larger than the sum of its proper divisors (179799845038690).

212120110110110 is a wasteful number, since it uses less digits than its factorization.

212120110110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516025.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 212120110110110 its reverse (11011011021212), we get a palindrome (223131121131322).

The spelling of 212120110110110 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred ten million, one hundred ten thousand, one hundred ten".