201102002012221 has 8 divisors (see below), whose sum is σ = 205188671000664. Its totient is φ = 197026158638400.

The previous prime is 201102002012147. The next prime is 201102002012269. The reversal of 201102002012221 is 122210200201102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38655888672996 + 162446113339225 = 6217386^2 + 12745435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201102002012221 - 2³³ = 201093412077629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201102002012195 and 201102002012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102002012291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706366126 + ... + 2706440431.

It is an arithmetic number, because the mean of its divisors is an integer number (25648583875083).

Almost surely, 2^{201102002012221} is an apocalyptic number.

It is an amenable number.

201102002012221 is a deficient number, since it is larger than the sum of its proper divisors (4086668988443).

201102002012221 is an equidigital number, since it uses as much as digits as its factorization.

201102002012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412807311.

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

Adding to 201102002012221 its reverse (122210200201102), we get a palindrome (323312202213323).

The spelling of 201102002012221 in words is "two hundred one trillion, one hundred two billion, two million, twelve thousand, two hundred twenty-one".