221112011220203 has 2 divisors, whose sum is σ = 221112011220204. Its totient is φ = 221112011220202.

The previous prime is 221112011220197. The next prime is 221112011220329. The reversal of 221112011220203 is 302022110211122.

221112011220203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221112011220203 - 2⁴⁴ = 203519825175787 is a prime.

It is a super-2 number, since 2×221112011220203² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221112011720203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110556005610101 + 110556005610102.

It is an arithmetic number, because the mean of its divisors is an integer number (110556005610102).

Almost surely, 2^{221112011220203} is an apocalyptic number.

221112011220203 is a deficient number, since it is larger than the sum of its proper divisors (1).

221112011220203 is an equidigital number, since it uses as much as digits as its factorization.

221112011220203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 221112011220203 its reverse (302022110211122), we get a palindrome (523134121431325).

The spelling of 221112011220203 in words is "two hundred twenty-one trillion, one hundred twelve billion, eleven million, two hundred twenty thousand, two hundred three".