202221011200001 has 6 divisors (see below), whose sum is σ = 206615130051330. Its totient is φ = 197918436491456.

The previous prime is 202221011199967. The next prime is 202221011200099. The reversal of 202221011200001 is 100002110122202.

It can be written as a sum of positive squares in only one way, i.e., 193177753345600 + 9043257854401 = 13898840^2 + 3007201^2 .

It is a de Polignac number, because none of the positive numbers 2^k-202221011200001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202221011209001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45772069136 + ... + 45772073553.

It is an arithmetic number, because the mean of its divisors is an integer number (34435855008555).

Almost surely, 2^{202221011200001} is an apocalyptic number.

It is an amenable number.

202221011200001 is a deficient number, since it is larger than the sum of its proper divisors (4394118851329).

202221011200001 is an frugal number, since it uses more digits than its factorization.

202221011200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91544142783 (or 91544142736 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202221011200001 its reverse (100002110122202), we get a palindrome (302223121322203).

The spelling of 202221011200001 in words is "two hundred two trillion, two hundred twenty-one billion, eleven million, two hundred thousand, one".