33220020211112 has 32 divisors (see below), whose sum is σ = 71205149416320. Its totient is φ = 14233273154880.

The previous prime is 33220020211111. The next prime is 33220020211237. The reversal of 33220020211112 is 21111202002233.

It is a super-2 number, since 2×33220020211112² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33220020211111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80591843 + ... + 81002994.

It is an arithmetic number, because the mean of its divisors is an integer number (2225160919260).

Almost surely, 2^{33220020211112} is an apocalyptic number.

It is an amenable number.

33220020211112 is an abundant number, since it is smaller than the sum of its proper divisors (37985129205208).

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

33220020211112 is a wasteful number, since it uses less digits than its factorization.

33220020211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161598521 (or 161598517 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 33220020211112 its reverse (21111202002233), we get a palindrome (54331222213345).

The spelling of 33220020211112 in words is "thirty-three trillion, two hundred twenty billion, twenty million, two hundred eleven thousand, one hundred twelve".