102110012001 has 12 divisors (see below), whose sum is σ = 147721629328. Its totient is φ = 67967469144.

The previous prime is 102110011957. The next prime is 102110012023. The reversal of 102110012001 is 100210011201.

It is a happy number.

It is not a de Polignac number, because 102110012001 - 2²⁵ = 102076457569 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 (102110012041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8816575 + ... + 8828148.

Almost surely, 2^102110012001 is an apocalyptic number.

It is an amenable number.

102110012001 is a deficient number, since it is larger than the sum of its proper divisors (45611617327).

102110012001 is a wasteful number, since it uses less digits than its factorization.

102110012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17645372 (or 17645369 counting only the distinct ones).

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

Adding to 102110012001 its reverse (100210011201), we get a palindrome (202320023202).

The spelling of 102110012001 in words is "one hundred two billion, one hundred ten million, twelve thousand, one".