2201122020021 has 8 divisors (see below), whose sum is σ = 2978632783584. Its totient is φ = 1445512968240.

The previous prime is 2201122020017. The next prime is 2201122020059. The reversal of 2201122020021 is 1200202211022.

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

It is not a de Polignac number, because 2201122020021 - 2² = 2201122020017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201122020221) 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, 5475427710 + ... + 5475428111.

It is an arithmetic number, because the mean of its divisors is an integer number (372329097948).

Almost surely, 2^{2201122020021} is an apocalyptic number.

It is an amenable number.

2201122020021 is a deficient number, since it is larger than the sum of its proper divisors (777510763563).

2201122020021 is a wasteful number, since it uses less digits than its factorization.

2201122020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10950855891.

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

Adding to 2201122020021 its reverse (1200202211022), we get a palindrome (3401324231043).

The spelling of 2201122020021 in words is "two trillion, two hundred one billion, one hundred twenty-two million, twenty thousand, twenty-one".