22112100021201 has 32 divisors (see below), whose sum is σ = 32556292328448. Its totient is φ = 13288282398720.

The previous prime is 22112100021181. The next prime is 22112100021211. The reversal of 22112100021201 is 10212000121122.

It is not a de Polignac number, because 22112100021201 - 2¹⁹ = 22112099496913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112100021211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71940190 + ... + 72246903.

It is an arithmetic number, because the mean of its divisors is an integer number (1017384135264).

Almost surely, 2^{22112100021201} is an apocalyptic number.

It is an amenable number.

22112100021201 is a deficient number, since it is larger than the sum of its proper divisors (10444192307247).

22112100021201 is a wasteful number, since it uses less digits than its factorization.

22112100021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144187241.

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

Adding to 22112100021201 its reverse (10212000121122), we get a palindrome (32324100142323).

The spelling of 22112100021201 in words is "twenty-two trillion, one hundred twelve billion, one hundred million, twenty-one thousand, two hundred one".