102111112201013 has 4 divisors (see below), whose sum is σ = 103785064860108. Its totient is φ = 100437159541920.

The previous prime is 102111112200989. The next prime is 102111112201037. The reversal of 102111112201013 is 310102211111201.

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

It is an interprime number because it is at equal distance from previous prime (102111112200989) and next prime (102111112201037).

It can be written as a sum of positive squares in 2 ways, for example, as 7718578602289 + 94392533598724 = 2778233^2 + 9715582^2 .

It is a cyclic number.

It is not a de Polignac number, because 102111112201013 - 2⁶ = 102111112200949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102111112200982 and 102111112201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111172201013) 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, 836976329456 + ... + 836976329577.

It is an arithmetic number, because the mean of its divisors is an integer number (25946266215027).

Almost surely, 2^{102111112201013} is an apocalyptic number.

It is an amenable number.

102111112201013 is a deficient number, since it is larger than the sum of its proper divisors (1673952659095).

102111112201013 is an equidigital number, since it uses as much as digits as its factorization.

102111112201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673952659094.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 102111112201013 its reverse (310102211111201), we get a palindrome (412213323312214).

The spelling of 102111112201013 in words is "one hundred two trillion, one hundred eleven billion, one hundred twelve million, two hundred one thousand, thirteen".