2222001120021 has 8 divisors (see below), whose sum is σ = 2962699787424. Its totient is φ = 1481318266320.

The previous prime is 2222001120013. The next prime is 2222001120109. The reversal of 2222001120021 is 1200211002222.

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

It is not a de Polignac number, because 2222001120021 - 2³ = 2222001120013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222001120121) 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, 3621586 + ... + 4190451.

It is an arithmetic number, because the mean of its divisors is an integer number (370337473428).

Almost surely, 2^{2222001120021} is an apocalyptic number.

It is an amenable number.

2222001120021 is a deficient number, since it is larger than the sum of its proper divisors (740698667403).

2222001120021 is an equidigital number, since it uses as much as digits as its factorization.

2222001120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7906851.

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

Adding to 2222001120021 its reverse (1200211002222), we get a palindrome (3422212122243).

The spelling of 2222001120021 in words is "two trillion, two hundred twenty-two billion, one million, one hundred twenty thousand, twenty-one".