121314021131 has 8 divisors (see below), whose sum is σ = 121855687200. Its totient is φ = 120773545600.

The previous prime is 121314021119. The next prime is 121314021137. The reversal of 121314021131 is 131120413121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121314021131 is a prime.

It is a super-2 number, since 2×121314021131² (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 (121314021137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93071 + ... + 501288.

It is an arithmetic number, because the mean of its divisors is an integer number (15231960900).

Almost surely, 2^121314021131 is an apocalyptic number.

121314021131 is a deficient number, since it is larger than the sum of its proper divisors (541666069).

121314021131 is an equidigital number, since it uses as much as digits as its factorization.

121314021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595269.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121314021131 its reverse (131120413121), we get a palindrome (252434434252).

The spelling of 121314021131 in words is "one hundred twenty-one billion, three hundred fourteen million, twenty-one thousand, one hundred thirty-one".