2100212101012 has 48 divisors (see below), whose sum is σ = 3884798421504. Its totient is φ = 991924416000.

The previous prime is 2100212100967. The next prime is 2100212101051. The reversal of 2100212101012 is 2101012120012.

It is a junction number, because it is equal to n+sod(n) for n = 2100212100983 and 2100212101001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7763712 + ... + 8029672.

It is an arithmetic number, because the mean of its divisors is an integer number (80933300448).

Almost surely, 2^{2100212101012} is an apocalyptic number.

It is an amenable number.

2100212101012 is a deficient number, since it is larger than the sum of its proper divisors (1784586320492).

2100212101012 is a wasteful number, since it uses less digits than its factorization.

2100212101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267520 (or 267518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100212101012 its reverse (2101012120012), we get a palindrome (4201224221024).

The spelling of 2100212101012 in words is "two trillion, one hundred billion, two hundred twelve million, one hundred one thousand, twelve".