121132311131 has 8 divisors (see below), whose sum is σ = 131281076304. Its totient is φ = 111102245280.

The previous prime is 121132311127. The next prime is 121132311137. The reversal of 121132311131 is 131113231121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121132311131 - 2² = 121132311127 is a prime.

It is a super-2 number, since 2×121132311131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121132311137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29672705 + ... + 29676786.

It is an arithmetic number, because the mean of its divisors is an integer number (16410134538).

Almost surely, 2^121132311131 is an apocalyptic number.

121132311131 is a deficient number, since it is larger than the sum of its proper divisors (10148765173).

121132311131 is a wasteful number, since it uses less digits than its factorization.

121132311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59349661.

The product of its digits is 108, while the sum is 20.

Adding to 121132311131 its reverse (131113231121), we get a palindrome (252245542252).

The spelling of 121132311131 in words is "one hundred twenty-one billion, one hundred thirty-two million, three hundred eleven thousand, one hundred thirty-one".