212021120110 has 64 divisors (see below), whose sum is σ = 404791644672. Its totient is φ = 79788398976.

The previous prime is 212021120093. The next prime is 212021120249. The reversal of 212021120110 is 11021120212.

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, 10422409 + ... + 10442731.

It is an arithmetic number, because the mean of its divisors is an integer number (6324869448).

Almost surely, 2^212021120110 is an apocalyptic number.

212021120110 is a deficient number, since it is larger than the sum of its proper divisors (192770524562).

212021120110 is a wasteful number, since it uses less digits than its factorization.

212021120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21097.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212021120110 its reverse (11021120212), we get a palindrome (223042240322).

The spelling of 212021120110 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, one hundred ten".