11222111222090 has 32 divisors (see below), whose sum is σ = 20213481309840. Its totient is φ = 4485805277184.

The previous prime is 11222111222089. The next prime is 11222111222159. The reversal of 11222111222090 is 9022211122211.

It can be written as a sum of positive squares in 8 ways, for example, as 19918369 + 11222091303721 = 4463^2 + 3349939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90961166 + ... + 91084454.

Almost surely, 2^{11222111222090} is an apocalyptic number.

11222111222090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222111222090 is a deficient number, since it is larger than the sum of its proper divisors (8991370087750).

11222111222090 is a wasteful number, since it uses less digits than its factorization.

11222111222090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129386.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 11222111222090 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, ninety".