111220021210203 has 24 divisors (see below), whose sum is σ = 161028701250560. Its totient is φ = 73972446940080.

The previous prime is 111220021210147. The next prime is 111220021210217. The reversal of 111220021210203 is 302012120022111.

111220021210203 is a `hidden beast` number, since 1 + 11 + 220 + 0 + 21 + 210 + 203 = 666.

It is not a de Polignac number, because 111220021210203 - 2¹⁶ = 111220021144667 is a prime.

It is a super-2 number, since 2×111220021210203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111220021215203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54159798 + ... + 56175828.

Almost surely, 2^{111220021210203} is an apocalyptic number.

111220021210203 is a deficient number, since it is larger than the sum of its proper divisors (49808680040357).

111220021210203 is a wasteful number, since it uses less digits than its factorization.

111220021210203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030439 (or 2030436 counting only the distinct ones).

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

Adding to 111220021210203 its reverse (302012120022111), we get a palindrome (413232141232314).

The spelling of 111220021210203 in words is "one hundred eleven trillion, two hundred twenty billion, twenty-one million, two hundred ten thousand, two hundred three".