121002133023 has 24 divisors (see below), whose sum is σ = 183994976880. Its totient is φ = 76416117120.

The previous prime is 121002133009. The next prime is 121002133051. The reversal of 121002133023 is 320331200121.

It is not a de Polignac number, because 121002133023 - 2⁸ = 121002132767 is a prime.

It is a super-2 number, since 2×121002133023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121002132987 and 121002133005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002133123) 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, 2941465 + ... + 2982317.

It is an arithmetic number, because the mean of its divisors is an integer number (7666457370).

Almost surely, 2^121002133023 is an apocalyptic number.

121002133023 is a deficient number, since it is larger than the sum of its proper divisors (62992843857).

121002133023 is a wasteful number, since it uses less digits than its factorization.

121002133023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58199 (or 58196 counting only the distinct ones).

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

Adding to 121002133023 its reverse (320331200121), we get a palindrome (441333333144).

The spelling of 121002133023 in words is "one hundred twenty-one billion, two million, one hundred thirty-three thousand, twenty-three".