33220213112 has 8 divisors (see below), whose sum is σ = 62287899600. Its totient is φ = 16610106552.

The previous prime is 33220213099. The next prime is 33220213129. The reversal of 33220213112 is 21131202233.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×33220213112² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076263312 + ... + 2076263327.

It is an arithmetic number, because the mean of its divisors is an integer number (7785987450).

Almost surely, 2^33220213112 is an apocalyptic number.

It is an amenable number.

33220213112 is a deficient number, since it is larger than the sum of its proper divisors (29067686488).

33220213112 is a wasteful number, since it uses less digits than its factorization.

33220213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152526645 (or 4152526641 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33220213112 its reverse (21131202233), we get a palindrome (54351415345).

The spelling of 33220213112 in words is "thirty-three billion, two hundred twenty million, two hundred thirteen thousand, one hundred twelve".