102111212102001 has 8 divisors (see below), whose sum is σ = 144157005320544. Its totient is φ = 64069780142400.

The previous prime is 102111212101979. The next prime is 102111212102023. The reversal of 102111212102001 is 100201212111201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102111212101979) and next prime (102111212102023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102111212102001 - 2⁶ = 102111212101937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102111212102051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001090314675 + ... + 1001090314776.

It is an arithmetic number, because the mean of its divisors is an integer number (18019625665068).

Almost surely, 2^{102111212102001} is an apocalyptic number.

It is an amenable number.

102111212102001 is a deficient number, since it is larger than the sum of its proper divisors (42045793218543).

102111212102001 is a wasteful number, since it uses less digits than its factorization.

102111212102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002180629471.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102111212102001 its reverse (100201212111201), we get a palindrome (202312424213202).

The spelling of 102111212102001 in words is "one hundred two trillion, one hundred eleven billion, two hundred twelve million, one hundred two thousand, one".