102111101011012 has 12 divisors (see below), whose sum is σ = 179373873260736. Its totient is φ = 50861422936520.

The previous prime is 102111101010899. The next prime is 102111101011019. The reversal of 102111101011012 is 210110101111201.

It is a junction number, because it is equal to n+sod(n) for n = 102111101010983 and 102111101011001.

It is not an unprimeable number, because it can be changed into a prime (102111101011019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48531891064 + ... + 48531893167.

It is an arithmetic number, because the mean of its divisors is an integer number (14947822771728).

Almost surely, 2^{102111101011012} is an apocalyptic number.

It is an amenable number.

102111101011012 is a deficient number, since it is larger than the sum of its proper divisors (77262772249724).

102111101011012 is a wasteful number, since it uses less digits than its factorization.

102111101011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97063784498 (or 97063784496 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 102111101011012 its reverse (210110101111201), we get a palindrome (312221202122213).

The spelling of 102111101011012 in words is "one hundred two trillion, one hundred eleven billion, one hundred one million, eleven thousand, twelve".