22111211100010 has 8 divisors (see below), whose sum is σ = 39800179980036. Its totient is φ = 8844484440000.

The previous prime is 22111211099941. The next prime is 22111211100031. The reversal of 22111211100010 is 1000111211122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19349608594761 + 2761602505249 = 4398819^2 + 1661807^2 .

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

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, 1105560554991 + ... + 1105560555010.

Almost surely, 2^{22111211100010} is an apocalyptic number.

22111211100010 is a deficient number, since it is larger than the sum of its proper divisors (17688968880026).

22111211100010 is a wasteful number, since it uses less digits than its factorization.

22111211100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211121110008.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22111211100010 its reverse (1000111211122), we get a palindrome (23111322311132).

The spelling of 22111211100010 in words is "twenty-two trillion, one hundred eleven billion, two hundred eleven million, one hundred thousand, ten".