102111112201012 has 24 divisors (see below), whose sum is σ = 183076082804160. Its totient is φ = 49803976098240.

The previous prime is 102111112200989. The next prime is 102111112201037. The reversal of 102111112201012 is 210102211111201.

It is a congruent number.

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, 38219758 + ... + 40804069.

It is an arithmetic number, because the mean of its divisors is an integer number (7628170116840).

Almost surely, 2^{102111112201012} is an apocalyptic number.

It is an amenable number.

102111112201012 is a deficient number, since it is larger than the sum of its proper divisors (80964970603148).

102111112201012 is a wasteful number, since it uses less digits than its factorization.

102111112201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79031751 (or 79031749 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 102111112201012 its reverse (210102211111201), we get a palindrome (312213323312213).

The spelling of 102111112201012 in words is "one hundred two trillion, one hundred eleven billion, one hundred twelve million, two hundred one thousand, twelve".