102101210110012 has 48 divisors (see below), whose sum is σ = 184673144678400. Its totient is φ = 49369934382912.

The previous prime is 102101210109967. The next prime is 102101210110019. The reversal of 102101210110012 is 210011012101201.

It is a happy number.

It is a super-2 number, since 2×102101210110012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102101210109974 and 102101210110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101210110019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6794988 + ... + 15823219.

It is an arithmetic number, because the mean of its divisors is an integer number (3847357180800).

Almost surely, 2^{102101210110012} is an apocalyptic number.

It is an amenable number.

102101210110012 is a deficient number, since it is larger than the sum of its proper divisors (82571934568388).

102101210110012 is a wasteful number, since it uses less digits than its factorization.

102101210110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22618570 (or 22618568 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102101210110012 its reverse (210011012101201), we get a palindrome (312112222211213).

The spelling of 102101210110012 in words is "one hundred two trillion, one hundred one billion, two hundred ten million, one hundred ten thousand, twelve".