11202021212201 has 2 divisors, whose sum is σ = 11202021212202. Its totient is φ = 11202021212200.

The previous prime is 11202021212197. The next prime is 11202021212281. The reversal of 11202021212201 is 10221212020211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10922370619801 + 279650592400 = 3304901^2 + 528820^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202021212201 - 2² = 11202021212197 is a prime.

It is a super-2 number, since 2×11202021212201² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11202021212201.

It is not a weakly prime, because it can be changed into another prime (11202021212281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601010606100 + 5601010606101.

It is an arithmetic number, because the mean of its divisors is an integer number (5601010606101).

Almost surely, 2^{11202021212201} is an apocalyptic number.

It is an amenable number.

11202021212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202021212201 is an equidigital number, since it uses as much as digits as its factorization.

11202021212201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11202021212201 its reverse (10221212020211), we get a palindrome (21423233232412).

The spelling of 11202021212201 in words is "eleven trillion, two hundred two billion, twenty-one million, two hundred twelve thousand, two hundred one".