1001112211101 has 4 divisors (see below), whose sum is σ = 1334816281472. Its totient is φ = 667408140732.

The previous prime is 1001112211093. The next prime is 1001112211109. The reversal of 1001112211101 is 1011122111001.

1001112211101 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1001112211093) and next prime (1001112211109).

It is not a de Polignac number, because 1001112211101 - 2³ = 1001112211093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001112211109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166852035181 + ... + 166852035186.

It is an arithmetic number, because the mean of its divisors is an integer number (333704070368).

Almost surely, 2^{1001112211101} is an apocalyptic number.

It is an amenable number.

1001112211101 is a deficient number, since it is larger than the sum of its proper divisors (333704070371).

1001112211101 is an equidigital number, since it uses as much as digits as its factorization.

1001112211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333704070370.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1001112211101 its reverse (1011122111001), we get a palindrome (2012234322102).

The spelling of 1001112211101 in words is "one trillion, one billion, one hundred twelve million, two hundred eleven thousand, one hundred one".