2222002220021 has 8 divisors (see below), whose sum is σ = 2229012612288. Its totient is φ = 2215002348000.

The previous prime is 2222002219993. The next prime is 2222002220023. The reversal of 2222002220021 is 1200222002222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222002220021 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 (2222002220023) 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, 2206865 + ... + 3051926.

It is an arithmetic number, because the mean of its divisors is an integer number (278626576536).

Almost surely, 2^{2222002220021} is an apocalyptic number.

It is an amenable number.

2222002220021 is a deficient number, since it is larger than the sum of its proper divisors (7010392267).

2222002220021 is an equidigital number, since it uses as much as digits as its factorization.

2222002220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260123.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2222002220021 its reverse (1200222002222), we get a palindrome (3422224222243).

The spelling of 2222002220021 in words is "two trillion, two hundred twenty-two billion, two million, two hundred twenty thousand, twenty-one".