120020311051 has 2 divisors, whose sum is σ = 120020311052. Its totient is φ = 120020311050.

The previous prime is 120020311027. The next prime is 120020311133. The reversal of 120020311051 is 150113020021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120020311051 is a prime.

It is not a weakly prime, because it can be changed into another prime (120020311351) 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 as a sum of consecutive naturals, namely, 60010155525 + 60010155526.

It is an arithmetic number, because the mean of its divisors is an integer number (60010155526).

Almost surely, 2^120020311051 is an apocalyptic number.

120020311051 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020311051 is an equidigital number, since it uses as much as digits as its factorization.

120020311051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 120020311051 its reverse (150113020021), we get a palindrome (270133331072).

The spelling of 120020311051 in words is "one hundred twenty billion, twenty million, three hundred eleven thousand, fifty-one".