121203301131 has 48 divisors (see below), whose sum is σ = 198267608448. Its totient is φ = 73379779200.

The previous prime is 121203301129. The next prime is 121203301151. The reversal of 121203301131 is 131103302121.

It is not a de Polignac number, because 121203301131 - 2¹ = 121203301129 is a prime.

It is a super-2 number, since 2×121203301131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121203301111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2588316 + ... + 2634726.

It is an arithmetic number, because the mean of its divisors is an integer number (4130575176).

Almost surely, 2^121203301131 is an apocalyptic number.

121203301131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121203301131 is a deficient number, since it is larger than the sum of its proper divisors (77064307317).

121203301131 is an equidigital number, since it uses as much as digits as its factorization.

121203301131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47414 (or 47402 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121203301131 its reverse (131103302121), we get a palindrome (252306603252).

The spelling of 121203301131 in words is "one hundred twenty-one billion, two hundred three million, three hundred one thousand, one hundred thirty-one".