22021200021211 has 8 divisors (see below), whose sum is σ = 22135631468000. Its totient is φ = 21906806296320.

The previous prime is 22021200021137. The next prime is 22021200021239. The reversal of 22021200021211 is 11212000212022.

It is a happy number.

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 22021200021211 - 2²¹ = 22021197924059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021200021311) 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, 8259510 + ... + 10595371.

It is an arithmetic number, because the mean of its divisors is an integer number (2766953933500).

Almost surely, 2^{22021200021211} is an apocalyptic number.

22021200021211 is a deficient number, since it is larger than the sum of its proper divisors (114431446789).

22021200021211 is a wasteful number, since it uses less digits than its factorization.

22021200021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860949.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021200021211 its reverse (11212000212022), we get a palindrome (33233200233233).

The spelling of 22021200021211 in words is "twenty-two trillion, twenty-one billion, two hundred million, twenty-one thousand, two hundred eleven".