11202201011021 has 2 divisors, whose sum is σ = 11202201011022. Its totient is φ = 11202201011020.

The previous prime is 11202201011009. The next prime is 11202201011039. The reversal of 11202201011021 is 12011010220211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7659000900100 + 3543200110921 = 2767490^2 + 1882339^2 .

It is an emirp because it is prime and its reverse (12011010220211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11202201011021 - 2¹⁰ = 11202201009997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202201010987 and 11202201011005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202201011621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601100505510 + 5601100505511.

It is an arithmetic number, because the mean of its divisors is an integer number (5601100505511).

Almost surely, 2^{11202201011021} is an apocalyptic number.

It is an amenable number.

11202201011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202201011021 is an equidigital number, since it uses as much as digits as its factorization.

11202201011021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11202201011021 its reverse (12011010220211), we get a palindrome (23213211231232).

The spelling of 11202201011021 in words is "eleven trillion, two hundred two billion, two hundred one million, eleven thousand, twenty-one".