220001022201112 has 8 divisors (see below), whose sum is σ = 412501916627100. Its totient is φ = 110000511100552.

The previous prime is 220001022201097. The next prime is 220001022201133. The reversal of 220001022201112 is 211102220100022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×220001022201112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750063887562 + ... + 13750063887577.

Almost surely, 2^{220001022201112} is an apocalyptic number.

It is an amenable number.

220001022201112 is a deficient number, since it is larger than the sum of its proper divisors (192500894425988).

220001022201112 is a wasteful number, since it uses less digits than its factorization.

220001022201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27500127775145 (or 27500127775141 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220001022201112 its reverse (211102220100022), we get a palindrome (431103242301134).

The spelling of 220001022201112 in words is "two hundred twenty trillion, one billion, twenty-two million, two hundred one thousand, one hundred twelve".