1100122001111 has 8 divisors (see below), whose sum is σ = 1257409351584. Its totient is φ = 942866416800.

The previous prime is 1100122001087. The next prime is 1100122001177. The reversal of 1100122001111 is 1111002210011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100122001111 - 2²² = 1100117806807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100122001092 and 1100122001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100122000111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7867280 + ... + 8005893.

It is an arithmetic number, because the mean of its divisors is an integer number (157176168948).

Almost surely, 2^{1100122001111} is an apocalyptic number.

1100122001111 is a deficient number, since it is larger than the sum of its proper divisors (157287350473).

1100122001111 is an equidigital number, since it uses as much as digits as its factorization.

1100122001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15883081.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100122001111 its reverse (1111002210011), we get a palindrome (2211124211122).

The spelling of 1100122001111 in words is "one trillion, one hundred billion, one hundred twenty-two million, one thousand, one hundred eleven".