22100212001121 has 16 divisors (see below), whose sum is σ = 29539879555200. Its totient is φ = 14697011714688.

The previous prime is 22100212001059. The next prime is 22100212001149. The reversal of 22100212001121 is 12110021200122.

It is not a de Polignac number, because 22100212001121 - 2¹⁵ = 22100211968353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22100212001121.

It is not an unprimeable number, because it can be changed into a prime (22100212001521) 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 15 ways as a sum of consecutive naturals, for example, 43671340 + ... + 44174498.

It is an arithmetic number, because the mean of its divisors is an integer number (1846242472200).

Almost surely, 2^{22100212001121} is an apocalyptic number.

It is an amenable number.

22100212001121 is a deficient number, since it is larger than the sum of its proper divisors (7439667554079).

22100212001121 is a wasteful number, since it uses less digits than its factorization.

22100212001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539368.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22100212001121 its reverse (12110021200122), we get a palindrome (34210233201243).

The spelling of 22100212001121 in words is "twenty-two trillion, one hundred billion, two hundred twelve million, one thousand, one hundred twenty-one".