121003220133 has 12 divisors (see below), whose sum is σ = 182381665440. Its totient is φ = 77161473576.

The previous prime is 121003220119. The next prime is 121003220161. The reversal of 121003220133 is 331022300121.

121003220133 is a `hidden beast` number, since 1 + 210 + 0 + 322 + 0 + 133 = 666.

It is not a de Polignac number, because 121003220133 - 2⁵ = 121003220101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003221133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292278103 + ... + 292278516.

It is an arithmetic number, because the mean of its divisors is an integer number (15198472120).

Almost surely, 2^121003220133 is an apocalyptic number.

It is an amenable number.

121003220133 is a deficient number, since it is larger than the sum of its proper divisors (61378445307).

121003220133 is a wasteful number, since it uses less digits than its factorization.

121003220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584556648 (or 584556645 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121003220133 its reverse (331022300121), we get a palindrome (452025520254).

The spelling of 121003220133 in words is "one hundred twenty-one billion, three million, two hundred twenty thousand, one hundred thirty-three".