220111122111212 has 48 divisors (see below), whose sum is σ = 413264871742464. Its totient is φ = 102323984400000.

The previous prime is 220111122111169. The next prime is 220111122111217. The reversal of 220111122111212 is 212111221111022.

It is a happy number.

220111122111212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220111122111212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220111122111217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106641914 + ... + 108686337.

It is an arithmetic number, because the mean of its divisors is an integer number (8609684827968).

Almost surely, 2^{220111122111212} is an apocalyptic number.

It is an amenable number.

220111122111212 is a deficient number, since it is larger than the sum of its proper divisors (193153749631252).

220111122111212 is a wasteful number, since it uses less digits than its factorization.

220111122111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215328590 (or 215328588 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 220111122111212 its reverse (212111221111022), we get a palindrome (432222343222234).

The spelling of 220111122111212 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, two hundred twelve".