2100100002042 has 32 divisors (see below), whose sum is σ = 4817941622784. Its totient is φ = 597814441200.

The previous prime is 2100100002041. The next prime is 2100100002047. The reversal of 2100100002042 is 2402000010012.

It is not an unprimeable number, because it can be changed into a prime (2100100002041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92243934 + ... + 92266697.

It is an arithmetic number, because the mean of its divisors is an integer number (150560675712).

Almost surely, 2^{2100100002042} is an apocalyptic number.

2100100002042 is an abundant number, since it is smaller than the sum of its proper divisors (2717841620742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100100002042 is a wasteful number, since it uses less digits than its factorization.

2100100002042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184510914.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2100100002042 its reverse (2402000010012), we get a palindrome (4502100012054).

The spelling of 2100100002042 in words is "two trillion, one hundred billion, one hundred million, two thousand, forty-two".