102110001122121 has 32 divisors (see below), whose sum is σ = 138897225315072. Its totient is φ = 66701474611200.

The previous prime is 102110001122057. The next prime is 102110001122153. The reversal of 102110001122121 is 121221100011201.

It is a happy number.

It is not a de Polignac number, because 102110001122121 - 2⁶ = 102110001122057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102110001122121.

It is not an unprimeable number, because it can be changed into a prime (102110001122321) 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, 403369836 + ... + 403622898.

It is an arithmetic number, because the mean of its divisors is an integer number (4340538291096).

Almost surely, 2^{102110001122121} is an apocalyptic number.

It is an amenable number.

102110001122121 is a deficient number, since it is larger than the sum of its proper divisors (36787224192951).

102110001122121 is a wasteful number, since it uses less digits than its factorization.

102110001122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256433.

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

Adding to 102110001122121 its reverse (121221100011201), we get a palindrome (223331101133322).

The spelling of 102110001122121 in words is "one hundred two trillion, one hundred ten billion, one million, one hundred twenty-two thousand, one hundred twenty-one".