102011111112001 has 16 divisors (see below), whose sum is σ = 128114425264000. Its totient is φ = 80712087909264.

The previous prime is 102011111111999. The next prime is 102011111112013. The reversal of 102011111112001 is 100211111110201.

It is not a de Polignac number, because 102011111112001 - 2¹ = 102011111111999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (102011111112101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11438783511 + ... + 11438792428.

It is an arithmetic number, because the mean of its divisors is an integer number (8007151579000).

Almost surely, 2^{102011111112001} is an apocalyptic number.

It is an amenable number.

102011111112001 is a deficient number, since it is larger than the sum of its proper divisors (26103314151999).

102011111112001 is an equidigital number, since it uses as much as digits as its factorization.

102011111112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22877575973 (or 22877575959 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 102011111112001 its reverse (100211111110201), we get a palindrome (202222222222202).

The spelling of 102011111112001 in words is "one hundred two trillion, eleven billion, one hundred eleven million, one hundred twelve thousand, one".