11002222201 has 4 divisors (see below), whose sum is σ = 11480579712. Its totient is φ = 10523864692.

The previous prime is 11002222139. The next prime is 11002222223. The reversal of 11002222201 is 10222220011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11002222201 - 2¹³ = 11002214009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002222241) 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, 239178721 + ... + 239178766.

It is an arithmetic number, because the mean of its divisors is an integer number (2870144928).

Almost surely, 2^11002222201 is an apocalyptic number.

It is an amenable number.

11002222201 is a deficient number, since it is larger than the sum of its proper divisors (478357511).

11002222201 is an equidigital number, since it uses as much as digits as its factorization.

11002222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478357510.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11002222201 its reverse (10222220011), we get a palindrome (21224442212).

The spelling of 11002222201 in words is "eleven billion, two million, two hundred twenty-two thousand, two hundred one".