221012344303101 has 48 divisors (see below), whose sum is σ = 343934099308800. Its totient is φ = 135953362037376.

The previous prime is 221012344303033. The next prime is 221012344303147. The reversal of 221012344303101 is 101303443210122.

221012344303101 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 1 + 2 + 344 + 3 + 0 + 310 + 1 = 666.

It is not a de Polignac number, because 221012344303101 - 2¹¹ = 221012344301053 is a prime.

It is a super-2 number, since 2×221012344303101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221012344303151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3600750430 + ... + 3600811808.

It is an arithmetic number, because the mean of its divisors is an integer number (7165293735600).

Almost surely, 2^{221012344303101} is an apocalyptic number.

It is an amenable number.

221012344303101 is a deficient number, since it is larger than the sum of its proper divisors (122921755005699).

221012344303101 is a wasteful number, since it uses less digits than its factorization.

221012344303101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73170 (or 73167 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 221012344303101 its reverse (101303443210122), we get a palindrome (322315787513223).

The spelling of 221012344303101 in words is "two hundred twenty-one trillion, twelve billion, three hundred forty-four million, three hundred three thousand, one hundred one".