102103311111 has 8 divisors (see below), whose sum is σ = 136236332784. Its totient is φ = 68019581760.

The previous prime is 102103311109. The next prime is 102103311161. The reversal of 102103311111 is 111113301201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102103311111 - 2¹ = 102103311109 is a prime.

It is a super-2 number, since 2×102103311111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103311161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12318246 + ... + 12326531.

It is an arithmetic number, because the mean of its divisors is an integer number (17029541598).

Almost surely, 2^102103311111 is an apocalyptic number.

102103311111 is a deficient number, since it is larger than the sum of its proper divisors (34133021673).

102103311111 is a wasteful number, since it uses less digits than its factorization.

102103311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24646161.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 102103311111 its reverse (111113301201), we get a palindrome (213216612312).

The spelling of 102103311111 in words is "one hundred two billion, one hundred three million, three hundred eleven thousand, one hundred eleven".