22021020112211 has 16 divisors (see below), whose sum is σ = 22632610111488. Its totient is φ = 21415450291200.

The previous prime is 22021020112187. The next prime is 22021020112213. The reversal of 22021020112211 is 11221102012022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021020112211 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 22021020112211.

It is not an unprimeable number, because it can be changed into a prime (22021020112213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34008206 + ... + 34649676.

It is an arithmetic number, because the mean of its divisors is an integer number (1414538131968).

Almost surely, 2^{22021020112211} is an apocalyptic number.

22021020112211 is a deficient number, since it is larger than the sum of its proper divisors (611589999277).

22021020112211 is a wasteful number, since it uses less digits than its factorization.

22021020112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646162.

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

Adding to 22021020112211 its reverse (11221102012022), we get a palindrome (33242122124233).

The spelling of 22021020112211 in words is "twenty-two trillion, twenty-one billion, twenty million, one hundred twelve thousand, two hundred eleven".