121003012120331 has 16 divisors (see below), whose sum is σ = 134813269555200. Its totient is φ = 107661134004480.

The previous prime is 121003012120327. The next prime is 121003012120349. The reversal of 121003012120331 is 133021210300121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121003012120331 - 2² = 121003012120327 is a prime.

It is a super-2 number, since 2×121003012120331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121003012120381) 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, 50639195 + ... + 52974843.

It is an arithmetic number, because the mean of its divisors is an integer number (8425829347200).

Almost surely, 2^{121003012120331} is an apocalyptic number.

121003012120331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121003012120331 is a deficient number, since it is larger than the sum of its proper divisors (13810257434869).

121003012120331 is a wasteful number, since it uses less digits than its factorization.

121003012120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435914.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121003012120331 its reverse (133021210300121), we get a palindrome (254024222420452).

The spelling of 121003012120331 in words is "one hundred twenty-one trillion, three billion, twelve million, one hundred twenty thousand, three hundred thirty-one".