22111122121202 has 8 divisors (see below), whose sum is σ = 34310361912300. Its totient is φ = 10674334817104.

The previous prime is 22111122121181. The next prime is 22111122121217. The reversal of 22111122121202 is 20212122111122.

It can be written as a sum of positive squares in 2 ways, for example, as 19336502334241 + 2774619786961 = 4397329^2 + 1665719^2 .

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

It is an unprimeable number.

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, 190613121677 + ... + 190613121792.

Almost surely, 2^{22111122121202} is an apocalyptic number.

22111122121202 is a deficient number, since it is larger than the sum of its proper divisors (12199239791098).

22111122121202 is a wasteful number, since it uses less digits than its factorization.

22111122121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381226243500.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22111122121202 its reverse (20212122111122), we get a palindrome (42323244232324).

The spelling of 22111122121202 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred two".