33100121000 has 64 divisors (see below), whose sum is σ = 78767208000. Its totient is φ = 13015617600.

The previous prime is 33100120979. The next prime is 33100121011. The reversal of 33100121000 is 12100133.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221510 + ... + 339509.

It is an arithmetic number, because the mean of its divisors is an integer number (1230737625).

Almost surely, 2^33100121000 is an apocalyptic number.

It is an amenable number.

33100121000 is an abundant number, since it is smaller than the sum of its proper divisors (45667087000).

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

33100121000 is a wasteful number, since it uses less digits than its factorization.

33100121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561099 (or 561085 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 33100121000 its reverse (12100133), we get a palindrome (33112221133).

The spelling of 33100121000 in words is "thirty-three billion, one hundred million, one hundred twenty-one thousand".