201112220101 has 32 divisors (see below), whose sum is σ = 227502550016. Its totient is φ = 176499648000.

The previous prime is 201112220083. The next prime is 201112220117. The reversal of 201112220101 is 101022211102.

It is not a de Polignac number, because 201112220101 - 2¹¹ = 201112218053 is a prime.

It is a super-2 number, since 2×201112220101² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112220161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23029906 + ... + 23038636.

It is an arithmetic number, because the mean of its divisors is an integer number (7109454688).

Almost surely, 2^201112220101 is an apocalyptic number.

It is an amenable number.

201112220101 is a deficient number, since it is larger than the sum of its proper divisors (26390329915).

201112220101 is a wasteful number, since it uses less digits than its factorization.

201112220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9773.

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

Adding to 201112220101 its reverse (101022211102), we get a palindrome (302134431203).

The spelling of 201112220101 in words is "two hundred one billion, one hundred twelve million, two hundred twenty thousand, one hundred one".