220111112201212 has 12 divisors (see below), whose sum is σ = 385194819935016. Its totient is φ = 110055449362640.

The previous prime is 220111112201177. The next prime is 220111112201219. The reversal of 220111112201212 is 212102211111022.

It is a happy number.

220111112201212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220111112201212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111112201219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21951343 + ... + 30365830.

It is an arithmetic number, because the mean of its divisors is an integer number (32099568327918).

Almost surely, 2^{220111112201212} is an apocalyptic number.

It is an amenable number.

220111112201212 is a deficient number, since it is larger than the sum of its proper divisors (165083707733804).

220111112201212 is a wasteful number, since it uses less digits than its factorization.

220111112201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53368988 (or 53368986 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 220111112201212 its reverse (212102211111022), we get a palindrome (432213323312234).

The spelling of 220111112201212 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twelve million, two hundred one thousand, two hundred twelve".