22121000202201 has 8 divisors (see below), whose sum is σ = 30777043759680. Its totient is φ = 14106145056432.

The previous prime is 22121000202193. The next prime is 22121000202227. The reversal of 22121000202201 is 10220200012122.

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

It is not a de Polignac number, because 22121000202201 - 2³ = 22121000202193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121000202401) 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, 160297102846 + ... + 160297102983.

It is an arithmetic number, because the mean of its divisors is an integer number (3847130469960).

Almost surely, 2^{22121000202201} is an apocalyptic number.

It is an amenable number.

22121000202201 is a deficient number, since it is larger than the sum of its proper divisors (8656043557479).

22121000202201 is a wasteful number, since it uses less digits than its factorization.

22121000202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320594205855.

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

Adding to 22121000202201 its reverse (10220200012122), we get a palindrome (32341200214323).

The spelling of 22121000202201 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred two thousand, two hundred one".