33220001332100 has 72 divisors (see below), whose sum is σ = 78643814911200. Its totient is φ = 12079537849600.

The previous prime is 33220001332099. The next prime is 33220001332187. The reversal of 33220001332100 is 123310002233.

It is a super-2 number, since 2×33220001332100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28836971 + ... + 29966829.

It is an arithmetic number, because the mean of its divisors is an integer number (1092275207100).

Almost surely, 2^{33220001332100} is an apocalyptic number.

It is an amenable number.

33220001332100 is an abundant number, since it is smaller than the sum of its proper divisors (45423813579100).

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

33220001332100 is a wasteful number, since it uses less digits than its factorization.

33220001332100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156613 (or 1156606 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33220001332100 its reverse (123310002233), we get a palindrome (33343311334333).

It can be divided in two parts, 3322000133 and 2100, that added together give a palindrome (3322002233).

The spelling of 33220001332100 in words is "thirty-three trillion, two hundred twenty billion, one million, three hundred thirty-two thousand, one hundred".