11111111200022 has 16 divisors (see below), whose sum is σ = 17255978521200. Its totient is φ = 5359442783520.

The previous prime is 11111111199997. The next prime is 11111111200027. The reversal of 11111111200022 is 22000211111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111111200027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81036872 + ... + 81173867.

It is an arithmetic number, because the mean of its divisors is an integer number (1078498657575).

Almost surely, 2^{11111111200022} is an apocalyptic number.

11111111200022 is a deficient number, since it is larger than the sum of its proper divisors (6144867321178).

11111111200022 is a wasteful number, since it uses less digits than its factorization.

11111111200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162211951.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11111111200022 its reverse (22000211111111), we get a palindrome (33111322311133).

The spelling of 11111111200022 in words is "eleven trillion, one hundred eleven billion, one hundred eleven million, two hundred thousand, twenty-two".