20221122001211 has 4 divisors (see below), whose sum is σ = 20221247783400. Its totient is φ = 20220996219024.

The previous prime is 20221122001207. The next prime is 20221122001253. The reversal of 20221122001211 is 11210022112202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20221122001211 - 2² = 20221122001207 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 20221122001211.

It is not an unprimeable number, because it can be changed into a prime (20221122001291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62649641 + ... + 62971578.

It is an arithmetic number, because the mean of its divisors is an integer number (5055311945850).

Almost surely, 2^{20221122001211} is an apocalyptic number.

20221122001211 is a deficient number, since it is larger than the sum of its proper divisors (125782189).

20221122001211 is a wasteful number, since it uses less digits than its factorization.

20221122001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125782188.

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

Adding to 20221122001211 its reverse (11210022112202), we get a palindrome (31431144113413).

The spelling of 20221122001211 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty-two million, one thousand, two hundred eleven".