22021001121211 has 8 divisors (see below), whose sum is σ = 22978784277504. Its totient is φ = 21063246992040.

The previous prime is 22021001121191. The next prime is 22021001121233. The reversal of 22021001121211 is 11212110012022.

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

It is not a de Polignac number, because 22021001121211 - 2²⁹ = 22020464250299 is a prime.

It is a super-2 number, since 2×22021001121211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021001721211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5699401 + ... + 8747866.

It is an arithmetic number, because the mean of its divisors is an integer number (2872348034688).

Almost surely, 2^{22021001121211} is an apocalyptic number.

22021001121211 is a deficient number, since it is larger than the sum of its proper divisors (957783156293).

22021001121211 is a wasteful number, since it uses less digits than its factorization.

22021001121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14513561.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22021001121211 its reverse (11212110012022), we get a palindrome (33233111133233).

The spelling of 22021001121211 in words is "twenty-two trillion, twenty-one billion, one million, one hundred twenty-one thousand, two hundred eleven".