1101111222203 has 2 divisors, whose sum is σ = 1101111222204. Its totient is φ = 1101111222202.

The previous prime is 1101111222179. The next prime is 1101111222329. The reversal of 1101111222203 is 3022221111011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101111222203 - 2²² = 1101107027899 is a prime.

It is a super-2 number, since 2×1101111222203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101117222203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550555611101 + 550555611102.

It is an arithmetic number, because the mean of its divisors is an integer number (550555611102).

Almost surely, 2^{1101111222203} is an apocalyptic number.

1101111222203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101111222203 is an equidigital number, since it uses as much as digits as its factorization.

1101111222203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1101111222203 its reverse (3022221111011), we get a palindrome (4123332333214).

The spelling of 1101111222203 in words is "one trillion, one hundred one billion, one hundred eleven million, two hundred twenty-two thousand, two hundred three".