11110021201 has 4 divisors (see below), whose sum is σ = 11110474804. Its totient is φ = 11109567600.

The previous prime is 11110021171. The next prime is 11110021213. The reversal of 11110021201 is 10212001111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6213380625 + 4896640576 = 78825^2 + 69976^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110021201 - 2¹⁵ = 11109988433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110021231) 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, 187830 + ... + 239791.

It is an arithmetic number, because the mean of its divisors is an integer number (2777618701).

Almost surely, 2^11110021201 is an apocalyptic number.

It is an amenable number.

11110021201 is a deficient number, since it is larger than the sum of its proper divisors (453603).

11110021201 is an equidigital number, since it uses as much as digits as its factorization.

11110021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453602.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11110021201 its reverse (10212001111), we get a palindrome (21322022312).

The spelling of 11110021201 in words is "eleven billion, one hundred ten million, twenty-one thousand, two hundred one".