11220002212122 has 64 divisors (see below), whose sum is σ = 27242046489600. Its totient is φ = 3394745529840.

The previous prime is 11220002212109. The next prime is 11220002212183. The reversal of 11220002212122 is 22121220002211.

It is a happy number.

11220002212122 is a `hidden beast` number, since 11 + 220 + 0 + 0 + 221 + 212 + 2 = 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 = 11220002212095 and 11220002212104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14212972 + ... + 14981607.

It is an arithmetic number, because the mean of its divisors is an integer number (425656976400).

Almost surely, 2^{11220002212122} is an apocalyptic number.

11220002212122 is an abundant number, since it is smaller than the sum of its proper divisors (16022044277478).

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

11220002212122 is a wasteful number, since it uses less digits than its factorization.

11220002212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29195248 (or 29195242 counting only the distinct ones).

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

Adding to 11220002212122 its reverse (22121220002211), we get a palindrome (33341222214333).

The spelling of 11220002212122 in words is "eleven trillion, two hundred twenty billion, two million, two hundred twelve thousand, one hundred twenty-two".