102111445245504 has 56 divisors (see below), whose sum is σ = 275267410205760. Its totient is φ = 33394938064384.

The previous prime is 102111445245499. The next prime is 102111445245517. The reversal of 102111445245504 is 405542544111201.

It is a super-2 number, since 2×102111445245504² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5017258164 + ... + 5017278515.

It is an arithmetic number, because the mean of its divisors is an integer number (4915489467960).

Almost surely, 2^{102111445245504} is an apocalyptic number.

It is an amenable number.

102111445245504 is an abundant number, since it is smaller than the sum of its proper divisors (173155964960256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111445245504 is a wasteful number, since it uses less digits than its factorization.

102111445245504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10034536747 (or 10034536737 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

Adding to 102111445245504 its reverse (405542544111201), we get a palindrome (507653989356705).

The spelling of 102111445245504 in words is "one hundred two trillion, one hundred eleven billion, four hundred forty-five million, two hundred forty-five thousand, five hundred four".