2101210010012 has 12 divisors (see below), whose sum is σ = 3686287389456. Its totient is φ = 1047985041600.

The previous prime is 2101210009933. The next prime is 2101210010033. The reversal of 2101210010012 is 2100100121012.

It is a junction number, because it is equal to n+sod(n) for n = 2101210009975 and 2101210010002.

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, 654989048 + ... + 654992255.

It is an arithmetic number, because the mean of its divisors is an integer number (307190615788).

Almost surely, 2^{2101210010012} is an apocalyptic number.

It is an amenable number.

2101210010012 is a deficient number, since it is larger than the sum of its proper divisors (1585077379444).

2101210010012 is a wasteful number, since it uses less digits than its factorization.

2101210010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309981708 (or 1309981706 counting only the distinct ones).

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

Adding to 2101210010012 its reverse (2100100121012), we get a palindrome (4201310131024).

The spelling of 2101210010012 in words is "two trillion, one hundred one billion, two hundred ten million, ten thousand, twelve".