102406223111 has 4 divisors (see below), whose sum is σ = 103640033112. Its totient is φ = 101172413112.

The previous prime is 102406223099. The next prime is 102406223131. The reversal of 102406223111 is 111322604201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111322604201 = 1051 ⋅105920651.

It is a cyclic number.

It is not a de Polignac number, because 102406223111 - 2²⁶ = 102339114247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102406223131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616904876 + ... + 616905041.

It is an arithmetic number, because the mean of its divisors is an integer number (25910008278).

Almost surely, 2^102406223111 is an apocalyptic number.

102406223111 is a deficient number, since it is larger than the sum of its proper divisors (1233810001).

102406223111 is an equidigital number, since it uses as much as digits as its factorization.

102406223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233810000.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 102406223111 its reverse (111322604201), we get a palindrome (213728827312).

The spelling of 102406223111 in words is "one hundred two billion, four hundred six million, two hundred twenty-three thousand, one hundred eleven".