221201102301012 has 24 divisors (see below), whose sum is σ = 573484339299200. Its totient is φ = 73733700766968.

The previous prime is 221201102301001. The next prime is 221201102301037. The reversal of 221201102301012 is 210103201102122.

221201102301012 is a `hidden beast` number, since 221 + 2 + 0 + 110 + 230 + 101 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024079177212 + ... + 1024079177427.

Almost surely, 2^{221201102301012} is an apocalyptic number.

It is an amenable number.

221201102301012 is an abundant number, since it is smaller than the sum of its proper divisors (352283236998188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221201102301012 is a wasteful number, since it uses less digits than its factorization.

221201102301012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048158354652 (or 2048158354644 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 221201102301012 its reverse (210103201102122), we get a palindrome (431304303403134).

The spelling of 221201102301012 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred two million, three hundred one thousand, twelve".