11112221220022 has 32 divisors (see below), whose sum is σ = 19007519819904. Its totient is φ = 4826749824000.

The previous prime is 11112221220017. The next prime is 11112221220041. The reversal of 11112221220022 is 22002212221111.

It is a super-2 number, since 2×11112221220022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 7041322 + ... + 8473762.

It is an arithmetic number, because the mean of its divisors is an integer number (593984994372).

Almost surely, 2^{11112221220022} is an apocalyptic number.

11112221220022 is a deficient number, since it is larger than the sum of its proper divisors (7895298599882).

11112221220022 is a wasteful number, since it uses less digits than its factorization.

11112221220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450024.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11112221220022 its reverse (22002212221111), we get a palindrome (33114433441133).

The spelling of 11112221220022 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twenty thousand, twenty-two".