1100202112111 has 4 divisors (see below), whose sum is σ = 1100355414832. Its totient is φ = 1100048809392.

The previous prime is 1100202112091. The next prime is 1100202112127. The reversal of 1100202112111 is 1112112020011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100202112111 - 2⁹ = 1100202111599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100202112091 and 1100202112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100202112211) 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 3 ways as a sum of consecutive naturals, for example, 76640595 + ... + 76654948.

It is an arithmetic number, because the mean of its divisors is an integer number (275088853708).

Almost surely, 2^{1100202112111} is an apocalyptic number.

1100202112111 is a deficient number, since it is larger than the sum of its proper divisors (153302721).

1100202112111 is an equidigital number, since it uses as much as digits as its factorization.

1100202112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153302720.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1100202112111 its reverse (1112112020011), we get a palindrome (2212314132122).

The spelling of 1100202112111 in words is "one trillion, one hundred billion, two hundred two million, one hundred twelve thousand, one hundred eleven".