33012100121 has 24 divisors (see below), whose sum is σ = 45115447104. Its totient is φ = 23744962080.

The previous prime is 33012100103. The next prime is 33012100129. The reversal of 33012100121 is 12100121033.

It is not a de Polignac number, because 33012100121 - 2²⁶ = 32944991257 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33012100096 and 33012100105.

It is not an unprimeable number, because it can be changed into a prime (33012100129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2348645 + ... + 2362658.

It is an arithmetic number, because the mean of its divisors is an integer number (1879810296).

Almost surely, 2^33012100121 is an apocalyptic number.

It is an amenable number.

33012100121 is a deficient number, since it is larger than the sum of its proper divisors (12103346983).

33012100121 is a wasteful number, since it uses less digits than its factorization.

33012100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711341 (or 4711334 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 33012100121 its reverse (12100121033), we get a palindrome (45112221154).

The spelling of 33012100121 in words is "thirty-three billion, twelve million, one hundred thousand, one hundred twenty-one".