11112121020222 has 40 divisors (see below), whose sum is σ = 24925843183032. Its totient is φ = 3700104008400.

The previous prime is 11112121020181. The next prime is 11112121020239. The reversal of 11112121020222 is 22202012121111.

11112121020222 is a `hidden beast` number, since 111 + 121 + 210 + 2 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11112121020195 and 11112121020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36294604 + ... + 36599487.

Almost surely, 2^{11112121020222} is an apocalyptic number.

11112121020222 is an abundant number, since it is smaller than the sum of its proper divisors (13813722162810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11112121020222 is an equidigital number, since it uses as much as digits as its factorization.

11112121020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72895046 (or 72895037 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11112121020222 its reverse (22202012121111), we get a palindrome (33314133141333).

The spelling of 11112121020222 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one million, twenty thousand, two hundred twenty-two".