2100012100202 has 64 divisors (see below), whose sum is σ = 3274164633600. Its totient is φ = 1009517040000.

The previous prime is 2100012100201. The next prime is 2100012100259. The reversal of 2100012100202 is 2020012100012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2100012100201) 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 31 ways as a sum of consecutive naturals, for example, 937922999 + ... + 937925237.

It is an arithmetic number, because the mean of its divisors is an integer number (51158822400).

Almost surely, 2^{2100012100202} is an apocalyptic number.

2100012100202 is a deficient number, since it is larger than the sum of its proper divisors (1174152533398).

2100012100202 is a wasteful number, since it uses less digits than its factorization.

2100012100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100012100202 its reverse (2020012100012), we get a palindrome (4120024200214).

The spelling of 2100012100202 in words is "two trillion, one hundred billion, twelve million, one hundred thousand, two hundred two".