2212002221021 has 8 divisors (see below), whose sum is σ = 2276854026240. Its totient is φ = 2147891579568.

The previous prime is 2212002220991. The next prime is 2212002221029. The reversal of 2212002221021 is 1201222002122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2212002221021 - 2⁶ = 2212002220957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212002221029) 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, 185284886 + ... + 185296823.

It is an arithmetic number, because the mean of its divisors is an integer number (284606753280).

Almost surely, 2^{2212002221021} is an apocalyptic number.

It is an amenable number.

2212002221021 is a deficient number, since it is larger than the sum of its proper divisors (64851805219).

2212002221021 is a wasteful number, since it uses less digits than its factorization.

2212002221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370581883.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2212002221021 its reverse (1201222002122), we get a palindrome (3413224223143).

The spelling of 2212002221021 in words is "two trillion, two hundred twelve billion, two million, two hundred twenty-one thousand, twenty-one".