11220021122 has 8 divisors (see below), whose sum is σ = 16836247872. Its totient is φ = 5607938500.

The previous prime is 11220021119. The next prime is 11220021139. The reversal of 11220021122 is 22112002211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11220021122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11220021097 and 11220021106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029254 + ... + 1040097.

It is an arithmetic number, because the mean of its divisors is an integer number (2104530984).

Almost surely, 2^11220021122 is an apocalyptic number.

11220021122 is a deficient number, since it is larger than the sum of its proper divisors (5616226750).

11220021122 is a wasteful number, since it uses less digits than its factorization.

11220021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072064.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11220021122 its reverse (22112002211), we get a palindrome (33332023333).

The spelling of 11220021122 in words is "eleven billion, two hundred twenty million, twenty-one thousand, one hundred twenty-two".