1000111201011 has 32 divisors (see below), whose sum is σ = 1595699840000. Its totient is φ = 615421869984.

The previous prime is 1000111201007. The next prime is 1000111201013. The reversal of 1000111201011 is 1101021110001.

It is not a de Polignac number, because 1000111201011 - 2² = 1000111201007 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 = 1000111200984 and 1000111201002.

It is not an unprimeable number, because it can be changed into a prime (1000111201013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8222880 + ... + 8343618.

It is an arithmetic number, because the mean of its divisors is an integer number (49865620000).

Almost surely, 2^{1000111201011} is an apocalyptic number.

1000111201011 is a deficient number, since it is larger than the sum of its proper divisors (595588638989).

1000111201011 is a wasteful number, since it uses less digits than its factorization.

1000111201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144360 (or 144354 counting only the distinct ones).

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

Adding to 1000111201011 its reverse (1101021110001), we get a palindrome (2101132311012).

The spelling of 1000111201011 in words is "one trillion, one hundred eleven million, two hundred one thousand, eleven".