1220110112403 has 24 divisors (see below), whose sum is σ = 2169084645728. Its totient is φ = 643574564352.

The previous prime is 1220110112321. The next prime is 1220110112423. The reversal of 1220110112403 is 3042110110221.

It is not a de Polignac number, because 1220110112403 - 2⁸ = 1220110112147 is a prime.

It is a super-2 number, since 2×1220110112403² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220110112423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744877150 + ... + 744878787.

Almost surely, 2^{1220110112403} is an apocalyptic number.

1220110112403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1220110112403 is a deficient number, since it is larger than the sum of its proper divisors (948974533325).

1220110112403 is a wasteful number, since it uses less digits than its factorization.

1220110112403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489755963 (or 1489755960 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1220110112403 its reverse (3042110110221), we get a palindrome (4262220222624).

The spelling of 1220110112403 in words is "one trillion, two hundred twenty billion, one hundred ten million, one hundred twelve thousand, four hundred three".