20221201022211 has 128 divisors (see below), whose sum is σ = 34948384358400. Its totient is φ = 11317849804800.

The previous prime is 20221201022167. The next prime is 20221201022263. The reversal of 20221201022211 is 11222010212202.

It is a happy number.

20221201022211 is a `hidden beast` number, since 20 + 221 + 201 + 0 + 2 + 221 + 1 = 666.

It is not a de Polignac number, because 20221201022211 - 2²⁷ = 20221066804483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20221200022211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 855767145 + ... + 855790773.

It is an arithmetic number, because the mean of its divisors is an integer number (273034252800).

Almost surely, 2^{20221201022211} is an apocalyptic number.

20221201022211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20221201022211 is a deficient number, since it is larger than the sum of its proper divisors (14727183336189).

20221201022211 is a wasteful number, since it uses less digits than its factorization.

20221201022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24226 (or 24220 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20221201022211 its reverse (11222010212202), we get a palindrome (31443211234413).

The spelling of 20221201022211 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, twenty-two thousand, two hundred eleven".