21112001200022 has 16 divisors (see below), whose sum is σ = 31832793478080. Its totient is φ = 10501072476672.

The previous prime is 21112001200021. The next prime is 21112001200079. The reversal of 21112001200022 is 22000210021112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112001200021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17441804 + ... + 18612912.

It is an arithmetic number, because the mean of its divisors is an integer number (1989549592380).

Almost surely, 2^{21112001200022} is an apocalyptic number.

21112001200022 is a deficient number, since it is larger than the sum of its proper divisors (10720792278058).

21112001200022 is a wasteful number, since it uses less digits than its factorization.

21112001200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218007.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21112001200022 its reverse (22000210021112), we get a palindrome (43112211221134).

The spelling of 21112001200022 in words is "twenty-one trillion, one hundred twelve billion, one million, two hundred thousand, twenty-two".