200120121010031 has 2 divisors, whose sum is σ = 200120121010032. Its totient is φ = 200120121010030.

The previous prime is 200120121009997. The next prime is 200120121010049. The reversal of 200120121010031 is 130010121021002.

200120121010031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200120121010031 is a prime.

It is a super-2 number, since 2×200120121010031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200120121009988 and 200120121010015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200120121010531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060060505015 + 100060060505016.

It is an arithmetic number, because the mean of its divisors is an integer number (100060060505016).

Almost surely, 2^{200120121010031} is an apocalyptic number.

200120121010031 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120121010031 is an equidigital number, since it uses as much as digits as its factorization.

200120121010031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 200120121010031 its reverse (130010121021002), we get a palindrome (330130242031033).

The spelling of 200120121010031 in words is "two hundred trillion, one hundred twenty billion, one hundred twenty-one million, ten thousand, thirty-one".