102111111001101 has 32 divisors (see below), whose sum is σ = 142714700531712. Its totient is φ = 64818227136960.

The previous prime is 102111111001093. The next prime is 102111111001157. The reversal of 102111111001101 is 101100111111201.

It is not a de Polignac number, because 102111111001101 - 2³ = 102111111001093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111111001171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16535211 + ... + 21854871.

It is an arithmetic number, because the mean of its divisors is an integer number (4459834391616).

Almost surely, 2^{102111111001101} is an apocalyptic number.

It is an amenable number.

102111111001101 is a deficient number, since it is larger than the sum of its proper divisors (40603589530611).

102111111001101 is a wasteful number, since it uses less digits than its factorization.

102111111001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320953.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 102111111001101 its reverse (101100111111201), we get a palindrome (203211222112302).

The spelling of 102111111001101 in words is "one hundred two trillion, one hundred eleven billion, one hundred eleven million, one thousand, one hundred one".