1121010232220 has 24 divisors (see below), whose sum is σ = 2358955433184. Its totient is φ = 447483341376.

The previous prime is 1121010232033. The next prime is 1121010232231. The reversal of 1121010232220 is 222320101211.

It is a super-2 number, since 2×1121010232220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57536987 + ... + 57556466.

It is an arithmetic number, because the mean of its divisors is an integer number (98289809716).

Almost surely, 2^{1121010232220} is an apocalyptic number.

1121010232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121010232220 is an abundant number, since it is smaller than the sum of its proper divisors (1237945200964).

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

1121010232220 is a wasteful number, since it uses less digits than its factorization.

1121010232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115093949 (or 115093947 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1121010232220 its reverse (222320101211), we get a palindrome (1343330333431).

The spelling of 1121010232220 in words is "one trillion, one hundred twenty-one billion, ten million, two hundred thirty-two thousand, two hundred twenty".