1000111012011 has 12 divisors (see below), whose sum is σ = 1498108676792. Its totient is φ = 666740674512.

The previous prime is 1000111012001. The next prime is 1000111012013. The reversal of 1000111012011 is 1102101110001.

It is not a de Polignac number, because 1000111012011 - 2⁷ = 1000111011883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000111011984 and 1000111012002.

It is not an unprimeable number, because it can be changed into a prime (1000111012013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2057841346 + ... + 2057841831.

Almost surely, 2^{1000111012011} is an apocalyptic number.

1000111012011 is a deficient number, since it is larger than the sum of its proper divisors (497997664781).

1000111012011 is an frugal number, since it uses more digits than its factorization.

1000111012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115683192 (or 4115683180 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1000111012011 its reverse (1102101110001), we get a palindrome (2102212122012).

The spelling of 1000111012011 in words is "one trillion, one hundred eleven million, twelve thousand, eleven".