201112221001 has 8 divisors (see below), whose sum is σ = 201678045824. Its totient is φ = 200546493840.

The previous prime is 201112220977. The next prime is 201112221059. The reversal of 201112221001 is 100122211102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201112221001 - 2²³ = 201103832393 is a prime.

It is a super-2 number, since 2×201112221001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201112221091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6580111 + ... + 6610603.

It is an arithmetic number, because the mean of its divisors is an integer number (25209755728).

Almost surely, 2^201112221001 is an apocalyptic number.

It is an amenable number.

201112221001 is a deficient number, since it is larger than the sum of its proper divisors (565824823).

201112221001 is a wasteful number, since it uses less digits than its factorization.

201112221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48831.

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

Adding to 201112221001 its reverse (100122211102), we get a palindrome (301234432103).

The spelling of 201112221001 in words is "two hundred one billion, one hundred twelve million, two hundred twenty-one thousand, one".