11223059971 has 4 divisors (see below), whose sum is σ = 11224204992. Its totient is φ = 11221914952.

The previous prime is 11223059951. The next prime is 11223059999. The reversal of 11223059971 is 17995032211.

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 11223059971 - 2¹⁵ = 11223027203 is a prime.

It is a super-2 number, since 2×11223059971² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223059951) 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, 557680 + ... + 577453.

It is an arithmetic number, because the mean of its divisors is an integer number (2806051248).

Almost surely, 2^11223059971 is an apocalyptic number.

11223059971 is a deficient number, since it is larger than the sum of its proper divisors (1145021).

11223059971 is an equidigital number, since it uses as much as digits as its factorization.

11223059971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145020.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 11223059971 in words is "eleven billion, two hundred twenty-three million, fifty-nine thousand, nine hundred seventy-one".