102100020011102 has 4 divisors (see below), whose sum is σ = 153150030016656. Its totient is φ = 51050010005550.

The previous prime is 102100020011089. The next prime is 102100020011107. The reversal of 102100020011102 is 201110020001201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100020011107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525005002774 + ... + 25525005002777.

It is an arithmetic number, because the mean of its divisors is an integer number (38287507504164).

Almost surely, 2^{102100020011102} is an apocalyptic number.

102100020011102 is a deficient number, since it is larger than the sum of its proper divisors (51050010005554).

102100020011102 is an equidigital number, since it uses as much as digits as its factorization.

102100020011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050010005553.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102100020011102 its reverse (201110020001201), we get a palindrome (303210040012303).

Subtracting 102100020011102 from its reverse (201110020001201), we obtain a palindrome (99009999990099).

The spelling of 102100020011102 in words is "one hundred two trillion, one hundred billion, twenty million, eleven thousand, one hundred two".