102001312111223 has 16 divisors (see below), whose sum is σ = 122718300192000. Its totient is φ = 82821413656512.

The previous prime is 102001312111219. The next prime is 102001312111243. The reversal of 102001312111223 is 322111213100201.

It is a cyclic number.

It is not a de Polignac number, because 102001312111223 - 2² = 102001312111219 is a prime.

It is a super-2 number, since 2×102001312111223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102001312111195 and 102001312111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001312111243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29462813 + ... + 32742326.

It is an arithmetic number, because the mean of its divisors is an integer number (7669893762000).

Almost surely, 2^{102001312111223} is an apocalyptic number.

102001312111223 is a deficient number, since it is larger than the sum of its proper divisors (20716988080777).

102001312111223 is a wasteful number, since it uses less digits than its factorization.

102001312111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62217494.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 102001312111223 its reverse (322111213100201), we get a palindrome (424112525211424).

The spelling of 102001312111223 in words is "one hundred two trillion, one billion, three hundred twelve million, one hundred eleven thousand, two hundred twenty-three".