11231221020301 has 2 divisors, whose sum is σ = 11231221020302. Its totient is φ = 11231221020300.

The previous prime is 11231221020197. The next prime is 11231221020337. The reversal of 11231221020301 is 10302012213211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6247745203401 + 4983475816900 = 2499549^2 + 2232370^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231221020301 - 2³³ = 11222631085709 is a prime.

It is a super-2 number, since 2×11231221020301² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231221020001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615610510150 + 5615610510151.

It is an arithmetic number, because the mean of its divisors is an integer number (5615610510151).

Almost surely, 2^{11231221020301} is an apocalyptic number.

It is an amenable number.

11231221020301 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231221020301 is an equidigital number, since it uses as much as digits as its factorization.

11231221020301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11231221020301 its reverse (10302012213211), we get a palindrome (21533233233512).

The spelling of 11231221020301 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-one million, twenty thousand, three hundred one".