121002131133 has 12 divisors (see below), whose sum is σ = 188225537500. Its totient is φ = 74462849856.

The previous prime is 121002131113. The next prime is 121002131171. The reversal of 121002131133 is 331131200121.

It can be written as a sum of positive squares in 2 ways, for example, as 13819883364 + 107182247769 = 117558^2 + 327387^2 .

It is not a de Polignac number, because 121002131133 - 2⁹ = 121002130621 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 (121002131113) 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, 517103008 + ... + 517103241.

Almost surely, 2^121002131133 is an apocalyptic number.

121002131133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121002131133 is a deficient number, since it is larger than the sum of its proper divisors (67223406367).

121002131133 is a wasteful number, since it uses less digits than its factorization.

121002131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034206268 (or 1034206265 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121002131133 its reverse (331131200121), we get a palindrome (452133331254).

The spelling of 121002131133 in words is "one hundred twenty-one billion, two million, one hundred thirty-one thousand, one hundred thirty-three".