102113121302 has 4 divisors (see below), whose sum is σ = 153169681956. Its totient is φ = 51056560650.

The previous prime is 102113121301. The next prime is 102113121311. The reversal of 102113121302 is 203121311201.

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 (102113121301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25528280324 + ... + 25528280327.

It is an arithmetic number, because the mean of its divisors is an integer number (38292420489).

Almost surely, 2^102113121302 is an apocalyptic number.

102113121302 is a deficient number, since it is larger than the sum of its proper divisors (51056560654).

102113121302 is an equidigital number, since it uses as much as digits as its factorization.

102113121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51056560653.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102113121302 its reverse (203121311201), we get a palindrome (305234432503).

The spelling of 102113121302 in words is "one hundred two billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred two".