2210221200021 has 8 divisors (see below), whose sum is σ = 2966739866400. Its totient is φ = 1463591666832.

The previous prime is 2210221200007. The next prime is 2210221200023. The reversal of 2210221200021 is 1200021220122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2210221200021 - 2²¹ = 2210219102869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210221200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2472282775 + ... + 2472283668.

It is an arithmetic number, because the mean of its divisors is an integer number (370842483300).

Almost surely, 2^{2210221200021} is an apocalyptic number.

It is an amenable number.

2210221200021 is a deficient number, since it is larger than the sum of its proper divisors (756518666379).

2210221200021 is a wasteful number, since it uses less digits than its factorization.

2210221200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944566595.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2210221200021 its reverse (1200021220122), we get a palindrome (3410242420143).

The spelling of 2210221200021 in words is "two trillion, two hundred ten billion, two hundred twenty-one million, two hundred thousand, twenty-one".