102100221112102 has 4 divisors (see below), whose sum is σ = 153150331668156. Its totient is φ = 51050110556050.

The previous prime is 102100221112091. The next prime is 102100221112181. The reversal of 102100221112102 is 201211122001201.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×102100221112102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525055278024 + ... + 25525055278027.

It is an arithmetic number, because the mean of its divisors is an integer number (38287582917039).

Almost surely, 2^{102100221112102} is an apocalyptic number.

102100221112102 is a deficient number, since it is larger than the sum of its proper divisors (51050110556054).

102100221112102 is an equidigital number, since it uses as much as digits as its factorization.

102100221112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51050110556053.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102100221112102 its reverse (201211122001201), we get a palindrome (303311343113303).

The spelling of 102100221112102 in words is "one hundred two trillion, one hundred billion, two hundred twenty-one million, one hundred twelve thousand, one hundred two".