11101112001 has 12 divisors (see below), whose sum is σ = 18325645312. Its totient is φ = 6343492536.

The previous prime is 11101111999. The next prime is 11101112021. The reversal of 11101112001 is 10021110111.

It is not a de Polignac number, because 11101112001 - 2¹ = 11101111999 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 not an unprimeable number, because it can be changed into a prime (11101112021) 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, 88104001 + ... + 88104126.

Almost surely, 2^11101112001 is an apocalyptic number.

It is an amenable number.

11101112001 is a deficient number, since it is larger than the sum of its proper divisors (7224533311).

11101112001 is a wasteful number, since it uses less digits than its factorization.

11101112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176208140 (or 176208137 counting only the distinct ones).

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

Adding to 11101112001 its reverse (10021110111), we get a palindrome (21122222112).

It can be divided in two parts, 1110 and 1112001, that added together give a palindrome (1113111).

The spelling of 11101112001 in words is "eleven billion, one hundred one million, one hundred twelve thousand, one".