121122332131 has 4 divisors (see below), whose sum is σ = 121624914664. Its totient is φ = 120619749600.

The previous prime is 121122332129. The next prime is 121122332137. The reversal of 121122332131 is 131233221121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131233221121 = 3407 ⋅38518703.

It is a cyclic number.

It is not a de Polignac number, because 121122332131 - 2¹ = 121122332129 is a prime.

It is a super-2 number, since 2×121122332131² (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 (121122332137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251290905 + ... + 251291386.

It is an arithmetic number, because the mean of its divisors is an integer number (30406228666).

Almost surely, 2^121122332131 is an apocalyptic number.

121122332131 is a deficient number, since it is larger than the sum of its proper divisors (502582533).

121122332131 is an equidigital number, since it uses as much as digits as its factorization.

121122332131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502582532.

The product of its digits is 432, while the sum is 22.

Adding to 121122332131 its reverse (131233221121), we get a palindrome (252355553252).

The spelling of 121122332131 in words is "one hundred twenty-one billion, one hundred twenty-two million, three hundred thirty-two thousand, one hundred thirty-one".