2100101322021 has 16 divisors (see below), whose sum is σ = 2833335040704. Its totient is φ = 1383511785984.

The previous prime is 2100101321959. The next prime is 2100101322023. The reversal of 2100101322021 is 1202231010012.

It is not a de Polignac number, because 2100101322021 - 2¹⁰ = 2100101320997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100101322023) 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 15 ways as a sum of consecutive naturals, for example, 5335891 + ... + 5715936.

It is an arithmetic number, because the mean of its divisors is an integer number (177083440044).

Almost surely, 2^{2100101322021} is an apocalyptic number.

It is an amenable number.

2100101322021 is a deficient number, since it is larger than the sum of its proper divisors (733233718683).

2100101322021 is a wasteful number, since it uses less digits than its factorization.

2100101322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052580.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2100101322021 its reverse (1202231010012), we get a palindrome (3302332332033).

The spelling of 2100101322021 in words is "two trillion, one hundred billion, one hundred one million, three hundred twenty-two thousand, twenty-one".