121115555302023 has 12 divisors (see below), whose sum is σ = 176579688105288. Its totient is φ = 79989089482320.

The previous prime is 121115555302013. The next prime is 121115555302033. The reversal of 121115555302023 is 320203555511121.

121115555302023 is a `hidden beast` number, since 1 + 2 + 1 + 11 + 55 + 553 + 0 + 20 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (121115555302013) and next prime (121115555302033).

It is not a de Polignac number, because 121115555302023 - 2²⁶ = 121115488193159 is a prime.

It is a super-2 number, since 2×121115555302023² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121115555302013) 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, 62884503348 + ... + 62884505273.

It is an arithmetic number, because the mean of its divisors is an integer number (14714974008774).

Almost surely, 2^{121115555302023} is an apocalyptic number.

121115555302023 is a deficient number, since it is larger than the sum of its proper divisors (55464132803265).

121115555302023 is a wasteful number, since it uses less digits than its factorization.

121115555302023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125769008734 (or 125769008731 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 121115555302023 in words is "one hundred twenty-one trillion, one hundred fifteen billion, five hundred fifty-five million, three hundred two thousand, twenty-three".