212110211220110 has 64 divisors (see below), whose sum is σ = 447185025137664. Its totient is φ = 70921441382400.

The previous prime is 212110211220071. The next prime is 212110211220113. The reversal of 212110211220110 is 11022112011212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110211220113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53038226 + ... + 56897045.

It is an arithmetic number, because the mean of its divisors is an integer number (6987266017776).

Almost surely, 2^{212110211220110} is an apocalyptic number.

212110211220110 is an abundant number, since it is smaller than the sum of its proper divisors (235074813917554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212110211220110 is a wasteful number, since it uses less digits than its factorization.

212110211220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109935969.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212110211220110 its reverse (11022112011212), we get a palindrome (223132323231322).

The spelling of 212110211220110 in words is "two hundred twelve trillion, one hundred ten billion, two hundred eleven million, two hundred twenty thousand, one hundred ten".