121032001131 has 16 divisors (see below), whose sum is σ = 166770874368. Its totient is φ = 77996476800.

The previous prime is 121032001127. The next prime is 121032001169. The reversal of 121032001131 is 131100230121.

It is a happy number.

It is not a de Polignac number, because 121032001131 - 2² = 121032001127 is a prime.

It is a super-2 number, since 2×121032001131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121032001131.

It is not an unprimeable number, because it can be changed into a prime (121032001171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656671 + ... + 820536.

It is an arithmetic number, because the mean of its divisors is an integer number (10423179648).

Almost surely, 2^121032001131 is an apocalyptic number.

121032001131 is a deficient number, since it is larger than the sum of its proper divisors (45738873237).

121032001131 is a wasteful number, since it uses less digits than its factorization.

121032001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478122.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121032001131 its reverse (131100230121), we get a palindrome (252132231252).

The spelling of 121032001131 in words is "one hundred twenty-one billion, thirty-two million, one thousand, one hundred thirty-one".