1111220111203 has 8 divisors (see below), whose sum is σ = 1137929860800. Its totient is φ = 1084826453568.

The previous prime is 1111220111189. The next prime is 1111220111231. The reversal of 1111220111203 is 3021110221111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111220111203 - 2⁹ = 1111220110691 is a prime.

It is a super-2 number, since 2×1111220111203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111220111803) 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 7 ways as a sum of consecutive naturals, for example, 79015876 + ... + 79029937.

It is an arithmetic number, because the mean of its divisors is an integer number (142241232600).

Almost surely, 2^{1111220111203} is an apocalyptic number.

1111220111203 is a deficient number, since it is larger than the sum of its proper divisors (26709749597).

1111220111203 is an equidigital number, since it uses as much as digits as its factorization.

1111220111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158045981.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1111220111203 its reverse (3021110221111), we get a palindrome (4132330332314).

The spelling of 1111220111203 in words is "one trillion, one hundred eleven billion, two hundred twenty million, one hundred eleven thousand, two hundred three".