102110120001 has 24 divisors (see below), whose sum is σ = 151782488000. Its totient is φ = 66100751136.

The previous prime is 102110119997. The next prime is 102110120039. The reversal of 102110120001 is 100021011201.

It is a happy number.

It is not a de Polignac number, because 102110120001 - 2² = 102110119997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102110120401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141085 + ... + 473418.

Almost surely, 2^102110120001 is an apocalyptic number.

It is an amenable number.

102110120001 is a deficient number, since it is larger than the sum of its proper divisors (49672367999).

102110120001 is a wasteful number, since it uses less digits than its factorization.

102110120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615045 (or 615042 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102110120001 its reverse (100021011201), we get a palindrome (202131131202).

It can be divided in two parts, 102110 and 120001, that added together give a triangular number (222111 = T₆₆₆).

The spelling of 102110120001 in words is "one hundred two billion, one hundred ten million, one hundred twenty thousand, one".