22011100111010 has 16 divisors (see below), whose sum is σ = 39755201980536. Its totient is φ = 8774390759808.

The previous prime is 22011100110953. The next prime is 22011100111087. The reversal of 22011100111010 is 1011100111022.

It can be written as a sum of positive squares in 4 ways, for example, as 21546056583529 + 465043527481 = 4641773^2 + 681941^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22011100110982 and 22011100111000.

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 7 ways as a sum of consecutive naturals, for example, 3756157499 + ... + 3756163358.

Almost surely, 2^{22011100111010} is an apocalyptic number.

22011100111010 is a deficient number, since it is larger than the sum of its proper divisors (17744101869526).

22011100111010 is a wasteful number, since it uses less digits than its factorization.

22011100111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512321157.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 22011100111010 its reverse (1011100111022), we get a palindrome (23022200222032).

The spelling of 22011100111010 in words is "twenty-two trillion, eleven billion, one hundred million, one hundred eleven thousand, ten".