2100100010212 has 12 divisors (see below), whose sum is σ = 3675864193596. Its totient is φ = 1049853097760.

The previous prime is 2100100010191. The next prime is 2100100010219. The reversal of 2100100010212 is 2120100010012.

It can be written as a sum of positive squares in 2 ways, for example, as 2036825626276 + 63274383936 = 1427174^2 + 251544^2 .

It is not an unprimeable number, because it can be changed into a prime (2100100010219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49202839 + ... + 49245502.

It is an arithmetic number, because the mean of its divisors is an integer number (306322016133).

Almost surely, 2^{2100100010212} is an apocalyptic number.

It is an amenable number.

2100100010212 is a deficient number, since it is larger than the sum of its proper divisors (1575764183384).

2100100010212 is a wasteful number, since it uses less digits than its factorization.

2100100010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98453678 (or 98453676 counting only the distinct ones).

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

Adding to 2100100010212 its reverse (2120100010012), we get a palindrome (4220200020224).

The spelling of 2100100010212 in words is "two trillion, one hundred billion, one hundred million, ten thousand, two hundred twelve".