121120113031 has 2 divisors, whose sum is σ = 121120113032. Its totient is φ = 121120113030.

The previous prime is 121120113013. The next prime is 121120113043. The reversal of 121120113031 is 130311021121.

It is a happy number.

Together with previous prime (121120113013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121120113031 - 2¹⁷ = 121119981959 is a prime.

It is a super-2 number, since 2×121120113031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121120112996 and 121120113014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121120113071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560056515 + 60560056516.

It is an arithmetic number, because the mean of its divisors is an integer number (60560056516).

Almost surely, 2^121120113031 is an apocalyptic number.

121120113031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120113031 is an equidigital number, since it uses as much as digits as its factorization.

121120113031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121120113031 its reverse (130311021121), we get a palindrome (251431134152).

The spelling of 121120113031 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred thirteen thousand, thirty-one".