33001010012100 has 144 divisors (see below), whose sum is σ = 102927510967680. Its totient is φ = 8115445478400.

The previous prime is 33001010012099. The next prime is 33001010012177. The reversal of 33001010012100 is 121001010033.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82785 + ... + 8124584.

It is an arithmetic number, because the mean of its divisors is an integer number (714774381720).

Almost surely, 2^{33001010012100} is an apocalyptic number.

33001010012100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33001010012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51463755483840).

33001010012100 is an abundant number, since it is smaller than the sum of its proper divisors (69926500955580).

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

33001010012100 is a wasteful number, since it uses less digits than its factorization.

33001010012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208430 (or 8208423 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 33001010012100 its reverse (121001010033), we get a palindrome (33122011022133).

The spelling of 33001010012100 in words is "thirty-three trillion, one billion, ten million, twelve thousand, one hundred".