22121102020211 has 8 divisors (see below), whose sum is σ = 23083621612800. Its totient is φ = 21158643473352.

The previous prime is 22121102020177. The next prime is 22121102020231. The reversal of 22121102020211 is 11202020112122.

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 22121102020211 - 2¹⁰ = 22121102019187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22121102020211.

It is not an unprimeable number, because it can be changed into a prime (22121102020231) 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, 14520161 + ... + 15971138.

It is an arithmetic number, because the mean of its divisors is an integer number (2885452701600).

Almost surely, 2^{22121102020211} is an apocalyptic number.

22121102020211 is a deficient number, since it is larger than the sum of its proper divisors (962519592589).

22121102020211 is a wasteful number, since it uses less digits than its factorization.

22121102020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30522865.

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

Adding to 22121102020211 its reverse (11202020112122), we get a palindrome (33323122132333).

The spelling of 22121102020211 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred two million, twenty thousand, two hundred eleven".