221112101201 has 16 divisors (see below), whose sum is σ = 223480857600. Its totient is φ = 218756980800.

The previous prime is 221112101167. The next prime is 221112101207. The reversal of 221112101201 is 102101211122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221112101201 is a prime.

It is a super-2 number, since 2×221112101201² (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 (221112101207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48604475 + ... + 48609023.

It is an arithmetic number, because the mean of its divisors is an integer number (13967553600).

Almost surely, 2^221112101201 is an apocalyptic number.

It is an amenable number.

221112101201 is a deficient number, since it is larger than the sum of its proper divisors (2368756399).

221112101201 is a wasteful number, since it uses less digits than its factorization.

221112101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221112101201 its reverse (102101211122), we get a palindrome (323213312323).

The spelling of 221112101201 in words is "two hundred twenty-one billion, one hundred twelve million, one hundred one thousand, two hundred one".