1001122210111 has 8 divisors (see below), whose sum is σ = 1006867136880. Its totient is φ = 995378973312.

The previous prime is 1001122210003. The next prime is 1001122210117. The reversal of 1001122210111 is 1110122211001.

It is a happy number.

1001122210111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1001122210111 - 2⁹ = 1001122209599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001122210091 and 1001122210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001122210117) 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, 775401 + ... + 1613533.

It is an arithmetic number, because the mean of its divisors is an integer number (125858392110).

Almost surely, 2^{1001122210111} is an apocalyptic number.

1001122210111 is a deficient number, since it is larger than the sum of its proper divisors (5744926769).

1001122210111 is an equidigital number, since it uses as much as digits as its factorization.

1001122210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844985.

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

Adding to 1001122210111 its reverse (1110122211001), we get a palindrome (2111244421112).

The spelling of 1001122210111 in words is "one trillion, one billion, one hundred twenty-two million, two hundred ten thousand, one hundred eleven".