2212211120021 has 8 divisors (see below), whose sum is σ = 2589905701824. Its totient is φ = 1849932643680.

The previous prime is 2212211120017. The next prime is 2212211120033. The reversal of 2212211120021 is 1200211122122.

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 2212211120021 - 2² = 2212211120017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212211122021) 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, 3854026055 + ... + 3854026628.

It is an arithmetic number, because the mean of its divisors is an integer number (323738212728).

Almost surely, 2^{2212211120021} is an apocalyptic number.

It is an amenable number.

2212211120021 is a deficient number, since it is larger than the sum of its proper divisors (377694581803).

2212211120021 is an equidigital number, since it uses as much as digits as its factorization.

2212211120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7708052731.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2212211120021 its reverse (1200211122122), we get a palindrome (3412422242143).

The spelling of 2212211120021 in words is "two trillion, two hundred twelve billion, two hundred eleven million, one hundred twenty thousand, twenty-one".