102101100212 has 12 divisors (see below), whose sum is σ = 178975221600. Its totient is φ = 50965322616.

The previous prime is 102101100161. The next prime is 102101100229. The reversal of 102101100212 is 212001101201.

It is a junction number, because it is equal to n+sod(n) for n = 102101100193 and 102101100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21304178 + ... + 21308969.

It is an arithmetic number, because the mean of its divisors is an integer number (14914601800).

Almost surely, 2^102101100212 is an apocalyptic number.

It is an amenable number.

102101100212 is a deficient number, since it is larger than the sum of its proper divisors (76874121388).

102101100212 is a wasteful number, since it uses less digits than its factorization.

102101100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42613750 (or 42613748 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102101100212 its reverse (212001101201), we get a palindrome (314102201413).

The spelling of 102101100212 in words is "one hundred two billion, one hundred one million, one hundred thousand, two hundred twelve".