11112112221022 has 16 divisors (see below), whose sum is σ = 17086476751344. Its totient is φ = 5416806760000.

The previous prime is 11112112221017. The next prime is 11112112221073. The reversal of 11112112221022 is 22012221121111.

It is a happy number.

11112112221022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46577629 + ... + 46815592.

It is an arithmetic number, because the mean of its divisors is an integer number (1067904796959).

Almost surely, 2^{11112112221022} is an apocalyptic number.

11112112221022 is a deficient number, since it is larger than the sum of its proper divisors (5974364530322).

11112112221022 is a wasteful number, since it uses less digits than its factorization.

11112112221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93394715.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11112112221022 its reverse (22012221121111), we get a palindrome (33124333342133).

The spelling of 11112112221022 in words is "eleven trillion, one hundred twelve billion, one hundred twelve million, two hundred twenty-one thousand, twenty-two".