222011110201 has 4 divisors (see below), whose sum is σ = 222012140112. Its totient is φ = 222010080292.

The previous prime is 222011110193. The next prime is 222011110231. The reversal of 222011110201 is 102011110222.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 222011110201 - 2³ = 222011110193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222011110231) 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, 54175 + ... + 668548.

It is an arithmetic number, because the mean of its divisors is an integer number (55503035028).

Almost surely, 2^222011110201 is an apocalyptic number.

It is an amenable number.

222011110201 is a deficient number, since it is larger than the sum of its proper divisors (1029911).

222011110201 is an equidigital number, since it uses as much as digits as its factorization.

222011110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029910.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222011110201 its reverse (102011110222), we get a palindrome (324022220423).

The spelling of 222011110201 in words is "two hundred twenty-two billion, eleven million, one hundred ten thousand, two hundred one".