11110021007 has 4 divisors (see below), whose sum is σ = 11110842240. Its totient is φ = 11109199776.

The previous prime is 11110021001. The next prime is 11110021009. The reversal of 11110021007 is 70012001111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11110021007 - 2⁸ = 11110020751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110020982 and 11110021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110021001) 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, 389978 + ... + 417495.

It is an arithmetic number, because the mean of its divisors is an integer number (2777710560).

Almost surely, 2^11110021007 is an apocalyptic number.

11110021007 is a deficient number, since it is larger than the sum of its proper divisors (821233).

11110021007 is an equidigital number, since it uses as much as digits as its factorization.

11110021007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821232.

The product of its (nonzero) digits is 14, while the sum is 14.

Adding to 11110021007 its reverse (70012001111), we get a palindrome (81122022118).

The spelling of 11110021007 in words is "eleven billion, one hundred ten million, twenty-one thousand, seven".