22112011221010 has 8 divisors (see below), whose sum is σ = 39801620197836. Its totient is φ = 8844804488400.

The previous prime is 22112011220951. The next prime is 22112011221017. The reversal of 22112011221010 is 1012211021122.

It can be written as a sum of positive squares in 2 ways, for example, as 21347329180489 + 764682040521 = 4620317^2 + 874461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×22112011221010³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22112011221017) 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 3 ways as a sum of consecutive naturals, for example, 1105600561041 + ... + 1105600561060.

Almost surely, 2^{22112011221010} is an apocalyptic number.

22112011221010 is a deficient number, since it is larger than the sum of its proper divisors (17689608976826).

22112011221010 is a wasteful number, since it uses less digits than its factorization.

22112011221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211201122108.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22112011221010 its reverse (1012211021122), we get a palindrome (23124222242132).

It can be divided in two parts, 221120112 and 21010, that added together give a palindrome (221141122).

The spelling of 22112011221010 in words is "twenty-two trillion, one hundred twelve billion, eleven million, two hundred twenty-one thousand, ten".