11202001112221 has 2 divisors, whose sum is σ = 11202001112222. Its totient is φ = 11202001112220.

The previous prime is 11202001112131. The next prime is 11202001112251. The reversal of 11202001112221 is 12221110020211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11178898632196 + 23102480025 = 3343486^2 + 151995^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202001112221 - 2¹¹ = 11202001110173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202001112195 and 11202001112204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202001112251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601000556110 + 5601000556111.

It is an arithmetic number, because the mean of its divisors is an integer number (5601000556111).

Almost surely, 2^{11202001112221} is an apocalyptic number.

It is an amenable number.

11202001112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202001112221 is an equidigital number, since it uses as much as digits as its factorization.

11202001112221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11202001112221 its reverse (12221110020211), we get a palindrome (23423111132432).

The spelling of 11202001112221 in words is "eleven trillion, two hundred two billion, one million, one hundred twelve thousand, two hundred twenty-one".