2101200100012 has 36 divisors (see below), whose sum is σ = 4179342107136. Its totient is φ = 918743355360.

The previous prime is 2101200099983. The next prime is 2101200100037. The reversal of 2101200100012 is 2100010021012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55947564 + ... + 55985107.

Almost surely, 2^{2101200100012} is an apocalyptic number.

It is an amenable number.

2101200100012 is a deficient number, since it is larger than the sum of its proper divisors (2078142007124).

2101200100012 is a wasteful number, since it uses less digits than its factorization.

2101200100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111932726 (or 111932705 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2101200100012 its reverse (2100010021012), we get a palindrome (4201210121024).

The spelling of 2101200100012 in words is "two trillion, one hundred one billion, two hundred million, one hundred thousand, twelve".