11110022001 has 12 divisors (see below), whose sum is σ = 17282256628. Its totient is φ = 6836936544.

The previous prime is 11110021991. The next prime is 11110022023. The reversal of 11110022001 is 10022001111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1185080625 + 9924941376 = 34425^2 + 99624^2 .

It is not a de Polignac number, because 11110022001 - 2¹⁴ = 11110005617 is a prime.

It is a super-3 number, since 3×11110022001³ (a number of 31 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (11110022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47478610 + ... + 47478843.

Almost surely, 2^11110022001 is an apocalyptic number.

It is an amenable number.

11110022001 is a deficient number, since it is larger than the sum of its proper divisors (6172234627).

11110022001 is a wasteful number, since it uses less digits than its factorization.

11110022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94957472 (or 94957469 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11110022001 its reverse (10022001111), we get a palindrome (21132023112).

It can be divided in two parts, 111 and 10022001, that multiplied together give a palindrome (1112442111).

The spelling of 11110022001 in words is "eleven billion, one hundred ten million, twenty-two thousand, one".