1111223233420 has 24 divisors (see below), whose sum is σ = 2333591203104. Its totient is φ = 444485024256.

The previous prime is 1111223233409. The next prime is 1111223233429. The reversal of 1111223233420 is 243323221111.

It is not an unprimeable number, because it can be changed into a prime (1111223233429) 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 7 ways as a sum of consecutive naturals, for example, 2639937 + ... + 3031783.

It is an arithmetic number, because the mean of its divisors is an integer number (97232966796).

Almost surely, 2^{1111223233420} is an apocalyptic number.

1111223233420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111223233420 is an abundant number, since it is smaller than the sum of its proper divisors (1222367969684).

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

1111223233420 is a wasteful number, since it uses less digits than its factorization.

1111223233420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533649 (or 533647 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1111223233420 its reverse (243323221111), we get a palindrome (1354546454531).

The spelling of 1111223233420 in words is "one trillion, one hundred eleven billion, two hundred twenty-three million, two hundred thirty-three thousand, four hundred twenty".