1011100221203 has 2 divisors, whose sum is σ = 1011100221204. Its totient is φ = 1011100221202.

The previous prime is 1011100221193. The next prime is 1011100221233. The reversal of 1011100221203 is 3021220011101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011100221203 - 2¹⁸ = 1011099959059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011100221233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505550110601 + 505550110602.

It is an arithmetic number, because the mean of its divisors is an integer number (505550110602).

Almost surely, 2^{1011100221203} is an apocalyptic number.

1011100221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011100221203 is an equidigital number, since it uses as much as digits as its factorization.

1011100221203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1011100221203 its reverse (3021220011101), we get a palindrome (4032320232304).

The spelling of 1011100221203 in words is "one trillion, eleven billion, one hundred million, two hundred twenty-one thousand, two hundred three".