102120000311 has 6 divisors (see below), whose sum is σ = 118792653480. Its totient is φ = 87531428796.

The previous prime is 102120000289. The next prime is 102120000313. The reversal of 102120000311 is 113000021201.

It is a de Polignac number, because none of the positive numbers 2^k-102120000311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102120000292 and 102120000301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120000313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1042040771 + ... + 1042040868.

It is an arithmetic number, because the mean of its divisors is an integer number (19798775580).

Almost surely, 2^102120000311 is an apocalyptic number.

102120000311 is a deficient number, since it is larger than the sum of its proper divisors (16672653169).

102120000311 is an equidigital number, since it uses as much as digits as its factorization.

102120000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084081653 (or 2084081646 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 102120000311 its reverse (113000021201), we get a palindrome (215120021512).

The spelling of 102120000311 in words is "one hundred two billion, one hundred twenty million, three hundred eleven", and thus it is an aban number.