2201022000021 has 32 divisors (see below), whose sum is σ = 3326912064000. Its totient is φ = 1283136320448.

The previous prime is 2201022000017. The next prime is 2201022000091. The reversal of 2201022000021 is 1200002201022.

It is not a de Polignac number, because 2201022000021 - 2² = 2201022000017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2201021999970 and 2201022000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201022000091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27480010 + ... + 27559988.

It is an arithmetic number, because the mean of its divisors is an integer number (103966002000).

Almost surely, 2^{2201022000021} is an apocalyptic number.

It is an amenable number.

2201022000021 is a deficient number, since it is larger than the sum of its proper divisors (1125890063979).

2201022000021 is a wasteful number, since it uses less digits than its factorization.

2201022000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117153.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2201022000021 its reverse (1200002201022), we get a palindrome (3401024201043).

The spelling of 2201022000021 in words is "two trillion, two hundred one billion, twenty-two million, twenty-one", and thus it is an aban number.