102120201113 has 24 divisors (see below), whose sum is σ = 125093340000. Its totient is φ = 82892714688.

The previous prime is 102120201107. The next prime is 102120201119. The reversal of 102120201113 is 311102021201.

It is an interprime number because it is at equal distance from previous prime (102120201107) and next prime (102120201119).

It is not a de Polignac number, because 102120201113 - 2⁴ = 102120201097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102120201119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2565638 + ... + 2605136.

It is an arithmetic number, because the mean of its divisors is an integer number (5212222500).

Almost surely, 2^102120201113 is an apocalyptic number.

It is an amenable number.

102120201113 is a deficient number, since it is larger than the sum of its proper divisors (22973138887).

102120201113 is a wasteful number, since it uses less digits than its factorization.

102120201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42309 (or 42302 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102120201113 its reverse (311102021201), we get a palindrome (413222222314).

The spelling of 102120201113 in words is "one hundred two billion, one hundred twenty million, two hundred one thousand, one hundred thirteen".