1122110120220 has 144 divisors (see below), whose sum is σ = 3513262220160. Its totient is φ = 266805052416.

The previous prime is 1122110120207. The next prime is 1122110120227. The reversal of 1122110120220 is 220210112211.

It is a super-2 number, since 2×1122110120220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1122110120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122110120227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1373494 + ... + 2032413.

Almost surely, 2^{1122110120220} is an apocalyptic number.

1122110120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122110120220 is an abundant number, since it is smaller than the sum of its proper divisors (2391152099940).

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

1122110120220 is a wasteful number, since it uses less digits than its factorization.

1122110120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405972 (or 3405953 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1122110120220 its reverse (220210112211), we get a palindrome (1342320232431).

The spelling of 1122110120220 in words is "one trillion, one hundred twenty-two billion, one hundred ten million, one hundred twenty thousand, two hundred twenty".