202102222112001 has 6 divisors (see below), whose sum is σ = 291925431939570. Its totient is φ = 134734814741328.

The previous prime is 202102222111973. The next prime is 202102222112009. The reversal of 202102222112001 is 100211222201202.

It is a happy number.

202102222112001 is a `hidden beast` number, since 2 + 0 + 210 + 222 + 211 + 20 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 188848610528400 + 13253611583601 = 13742220^2 + 3640551^2 .

It is not a de Polignac number, because 202102222112001 - 2¹³ = 202102222103809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202102222112009) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 11227901228436 + ... + 11227901228453.

It is an arithmetic number, because the mean of its divisors is an integer number (48654238656595).

Almost surely, 2^{202102222112001} is an apocalyptic number.

It is an amenable number.

202102222112001 is a deficient number, since it is larger than the sum of its proper divisors (89823209827569).

202102222112001 is a wasteful number, since it uses less digits than its factorization.

202102222112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22455802456895 (or 22455802456892 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202102222112001 its reverse (100211222201202), we get a palindrome (302313444313203).

The spelling of 202102222112001 in words is "two hundred two trillion, one hundred two billion, two hundred twenty-two million, one hundred twelve thousand, one".