2210320100021 has 16 divisors (see below), whose sum is σ = 2565197045568. Its totient is φ = 1882219987200.

The previous prime is 2210320099969. The next prime is 2210320100029. The reversal of 2210320100021 is 1200010230122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2210320100021 - 2²² = 2210315905717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210320099969 and 2210320100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210320100029) 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, 27969770 + ... + 28048683.

It is an arithmetic number, because the mean of its divisors is an integer number (160324815348).

Almost surely, 2^{2210320100021} is an apocalyptic number.

It is an amenable number.

2210320100021 is a deficient number, since it is larger than the sum of its proper divisors (354876945547).

2210320100021 is a wasteful number, since it uses less digits than its factorization.

2210320100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56018692.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2210320100021 its reverse (1200010230122), we get a palindrome (3410330330143).

The spelling of 2210320100021 in words is "two trillion, two hundred ten billion, three hundred twenty million, one hundred thousand, twenty-one".