22112221200002 has 8 divisors (see below), whose sum is σ = 33179563888716. Its totient is φ = 11052366570432.

The previous prime is 22112221199987. The next prime is 22112221200019. The reversal of 22112221200002 is 20000212221122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22090479402601 + 21741797401 = 4700051^2 + 147451^2 .

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

It is a super-3 number, since 3×22112221200002³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872007403 + ... + 1872019214.

Almost surely, 2^{22112221200002} is an apocalyptic number.

22112221200002 is a deficient number, since it is larger than the sum of its proper divisors (11067342688714).

22112221200002 is a wasteful number, since it uses less digits than its factorization.

22112221200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744029572.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22112221200002 its reverse (20000212221122), we get a palindrome (42112433421124).

The spelling of 22112221200002 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, two hundred thousand, two".