2210001210021 has 64 divisors (see below), whose sum is σ = 3476886036480. Its totient is φ = 1234001744640.

The previous prime is 2210001209959. The next prime is 2210001210047. The reversal of 2210001210021 is 1200121000122.

It is not a de Polignac number, because 2210001210021 - 2⁶ = 2210001209957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2210001209979 and 2210001210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210001218021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49693231 + ... + 49737683.

It is an arithmetic number, because the mean of its divisors is an integer number (54326344320).

Almost surely, 2^{2210001210021} is an apocalyptic number.

It is an amenable number.

2210001210021 is a deficient number, since it is larger than the sum of its proper divisors (1266884826459).

2210001210021 is a wasteful number, since it uses less digits than its factorization.

2210001210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46666.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2210001210021 its reverse (1200121000122), we get a palindrome (3410122210143).

The spelling of 2210001210021 in words is "two trillion, two hundred ten billion, one million, two hundred ten thousand, twenty-one".