2222212201021 has 8 divisors (see below), whose sum is σ = 2223017685504. Its totient is φ = 2221406824080.

The previous prime is 2222212201003. The next prime is 2222212201063. The reversal of 2222212201021 is 1201022122222.

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 2222212201021 - 2⁷ = 2222212200893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222212201021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222212207021) 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, 82587456 + ... + 82614358.

It is an arithmetic number, because the mean of its divisors is an integer number (277877210688).

Almost surely, 2^{2222212201021} is an apocalyptic number.

It is an amenable number.

2222212201021 is a deficient number, since it is larger than the sum of its proper divisors (805484483).

2222212201021 is a wasteful number, since it uses less digits than its factorization.

2222212201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53771.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2222212201021 its reverse (1201022122222), we get a palindrome (3423234323243).

It can be divided in two parts, 222221 and 2201021, that added together give a palindrome (2423242).

The spelling of 2222212201021 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred one thousand, twenty-one".