11222100220122 has 80 divisors (see below), whose sum is σ = 27437037639264. Its totient is φ = 3399987204000.

The previous prime is 11222100220099. The next prime is 11222100220127. The reversal of 11222100220122 is 22102200122211.

It is a happy number.

11222100220122 is a `hidden beast` number, since 1 + 1 + 222 + 100 + 220 + 122 = 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 = 11222100220095 and 11222100220104.

It is not an unprimeable number, because it can be changed into a prime (11222100220127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8776597 + ... + 9973607.

Almost surely, 2^{11222100220122} is an apocalyptic number.

11222100220122 is an abundant number, since it is smaller than the sum of its proper divisors (16214937419142).

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

11222100220122 is a wasteful number, since it uses less digits than its factorization.

11222100220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202297 (or 1202288 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222100220122 its reverse (22102200122211), we get a palindrome (33324300342333).

The spelling of 11222100220122 in words is "eleven trillion, two hundred twenty-two billion, one hundred million, two hundred twenty thousand, one hundred twenty-two".