2100100202212 has 24 divisors (see below), whose sum is σ = 3843284461632. Its totient is φ = 1002216996000.

The previous prime is 2100100202147. The next prime is 2100100202219. The reversal of 2100100202212 is 2122020010012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100100202192 and 2100100202201.

It is not an unprimeable number, because it can be changed into a prime (2100100202219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24715914 + ... + 24800737.

It is an arithmetic number, because the mean of its divisors is an integer number (160136852568).

Almost surely, 2^{2100100202212} is an apocalyptic number.

It is an amenable number.

2100100202212 is a deficient number, since it is larger than the sum of its proper divisors (1743184259420).

2100100202212 is a wasteful number, since it uses less digits than its factorization.

2100100202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49517139 (or 49517137 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100100202212 its reverse (2122020010012), we get a palindrome (4222120212224).

The spelling of 2100100202212 in words is "two trillion, one hundred billion, one hundred million, two hundred two thousand, two hundred twelve".