102113020111 has 4 divisors (see below), whose sum is σ = 102562857432. Its totient is φ = 101663182792.

The previous prime is 102113020099. The next prime is 102113020123. The reversal of 102113020111 is 111020311201.

It is a happy number.

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 (102113020099) and next prime (102113020123).

It is a cyclic number.

It is not a de Polignac number, because 102113020111 - 2¹³ = 102113011919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102113020091 and 102113020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102113020171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224918320 + ... + 224918773.

It is an arithmetic number, because the mean of its divisors is an integer number (25640714358).

Almost surely, 2^102113020111 is an apocalyptic number.

102113020111 is a deficient number, since it is larger than the sum of its proper divisors (449837321).

102113020111 is an equidigital number, since it uses as much as digits as its factorization.

102113020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449837320.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 102113020111 its reverse (111020311201), we get a palindrome (213133331312).

The spelling of 102113020111 in words is "one hundred two billion, one hundred thirteen million, twenty thousand, one hundred eleven".