212122200100110 has 32 divisors (see below), whose sum is σ = 509099228969760. Its totient is φ = 56565259056768.

The previous prime is 212122200100103. The next prime is 212122200100201. The reversal of 212122200100110 is 11001002221212.

It is a super-2 number, since 2×212122200100110² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212122200100110.

It is a congruent number.

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, 38697717 + ... + 43837856.

It is an arithmetic number, because the mean of its divisors is an integer number (15909350905305).

Almost surely, 2^{212122200100110} is an apocalyptic number.

212122200100110 is an abundant number, since it is smaller than the sum of its proper divisors (296977028869650).

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

212122200100110 is a wasteful number, since it uses less digits than its factorization.

212122200100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82621252.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212122200100110 its reverse (11001002221212), we get a palindrome (223123202321322).

The spelling of 212122200100110 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred million, one hundred thousand, one hundred ten".