1000220112011 has 24 divisors (see below), whose sum is σ = 1052943649296. Its totient is φ = 950029977600.

The previous prime is 1000220111959. The next prime is 1000220112019. The reversal of 1000220112011 is 1102110220001.

1000220112011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000220112011 - 2²⁶ = 1000153003147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000220111983 and 1000220112001.

It is not an unprimeable number, because it can be changed into a prime (1000220112019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57471911 + ... + 57489311.

It is an arithmetic number, because the mean of its divisors is an integer number (43872652054).

Almost surely, 2^{1000220112011} is an apocalyptic number.

1000220112011 is a deficient number, since it is larger than the sum of its proper divisors (52723537285).

1000220112011 is a wasteful number, since it uses less digits than its factorization.

1000220112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18203 (or 18180 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000220112011 its reverse (1102110220001), we get a palindrome (2102330332012).

The spelling of 1000220112011 in words is "one trillion, two hundred twenty million, one hundred twelve thousand, eleven".