51020101107 has 24 divisors (see below), whose sum is σ = 74547345600. Its totient is φ = 33620577408.

The previous prime is 51020101043. The next prime is 51020101159. The reversal of 51020101107 is 70110102015.

It is a happy number.

It is not a de Polignac number, because 51020101107 - 2⁶ = 51020101043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51020101107.

It is not an unprimeable number, because it can be changed into a prime (51020101507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3130993 + ... + 3147245.

It is an arithmetic number, because the mean of its divisors is an integer number (3106139400).

Almost surely, 2^51020101107 is an apocalyptic number.

51020101107 is a deficient number, since it is larger than the sum of its proper divisors (23527244493).

51020101107 is a wasteful number, since it uses less digits than its factorization.

51020101107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20267 (or 20264 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The spelling of 51020101107 in words is "fifty-one billion, twenty million, one hundred one thousand, one hundred seven".