1122220201122 has 48 divisors (see below), whose sum is σ = 2497315941432. Its totient is φ = 363945346560.

The previous prime is 1122220201099. The next prime is 1122220201139. The reversal of 1122220201122 is 2211020222211.

It is a happy number.

1122220201122 is a `hidden beast` number, since 1 + 122 + 220 + 201 + 122 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1119747028761 + 2473172361 = 1058181^2 + 49731^2 .

It is a super-3 number, since 3×1122220201122³ (a number of 37 digits) contains 333 as substring.

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 = 1122220201095 and 1122220201104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23259928 + ... + 23308124.

Almost surely, 2^{1122220201122} is an apocalyptic number.

1122220201122 is an abundant number, since it is smaller than the sum of its proper divisors (1375095740310).

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

1122220201122 is a wasteful number, since it uses less digits than its factorization.

1122220201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83203 (or 83200 counting only the distinct ones).

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

Adding to 1122220201122 its reverse (2211020222211), we get a palindrome (3333240423333).

The spelling of 1122220201122 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, two hundred one thousand, one hundred twenty-two".