102133110121 has 4 divisors (see below), whose sum is σ = 116723554432. Its totient is φ = 87542665812.

The previous prime is 102133110083. The next prime is 102133110127. The reversal of 102133110121 is 121011331201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-102133110121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102133110095 and 102133110104.

It is not an unprimeable number, because it can be changed into a prime (102133110127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7295222145 + ... + 7295222158.

It is an arithmetic number, because the mean of its divisors is an integer number (29180888608).

Almost surely, 2^102133110121 is an apocalyptic number.

It is an amenable number.

102133110121 is a deficient number, since it is larger than the sum of its proper divisors (14590444311).

102133110121 is an equidigital number, since it uses as much as digits as its factorization.

102133110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590444310.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 102133110121 its reverse (121011331201), we get a palindrome (223144441322).

The spelling of 102133110121 in words is "one hundred two billion, one hundred thirty-three million, one hundred ten thousand, one hundred twenty-one".