102111102311231 has 8 divisors (see below), whose sum is σ = 110640439316400. Its totient is φ = 93678141995712.

The previous prime is 102111102311227. The next prime is 102111102311249. The reversal of 102111102311231 is 132113201111201.

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

It is a cyclic number.

It is not a de Polignac number, because 102111102311231 - 2² = 102111102311227 is a prime.

It is a super-2 number, since 2×102111102311231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111102311131) 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, 24094170206 + ... + 24094174443.

It is an arithmetic number, because the mean of its divisors is an integer number (13830054914550).

Almost surely, 2^{102111102311231} is an apocalyptic number.

102111102311231 is a deficient number, since it is larger than the sum of its proper divisors (8529337005169).

102111102311231 is a wasteful number, since it uses less digits than its factorization.

102111102311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48188344825.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 102111102311231 its reverse (132113201111201), we get a palindrome (234224303422432).

The spelling of 102111102311231 in words is "one hundred two trillion, one hundred eleven billion, one hundred two million, three hundred eleven thousand, two hundred thirty-one".