220110111001212 has 48 divisors (see below), whose sum is σ = 533275362093600. Its totient is φ = 70576689836800.

The previous prime is 220110111001189. The next prime is 220110111001229. The reversal of 220110111001212 is 212100111011022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220110111001191 and 220110111001200.

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, 1175557539 + ... + 1175744762.

It is an arithmetic number, because the mean of its divisors is an integer number (11109903376950).

Almost surely, 2^{220110111001212} is an apocalyptic number.

It is an amenable number.

220110111001212 is an abundant number, since it is smaller than the sum of its proper divisors (313165251092388).

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

220110111001212 is a wasteful number, since it uses less digits than its factorization.

220110111001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351302606 (or 2351302604 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220110111001212 its reverse (212100111011022), we get a palindrome (432210222012234).

The spelling of 220110111001212 in words is "two hundred twenty trillion, one hundred ten billion, one hundred eleven million, one thousand, two hundred twelve".