11021220201227 has 2 divisors, whose sum is σ = 11021220201228. Its totient is φ = 11021220201226.

The previous prime is 11021220201217. The next prime is 11021220201247. The reversal of 11021220201227 is 72210202212011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11021220201227 - 2¹⁰ = 11021220200203 is a prime.

It is a super-2 number, since 2×11021220201227² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11021220201217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510610100613 + 5510610100614.

It is an arithmetic number, because the mean of its divisors is an integer number (5510610100614).

Almost surely, 2^{11021220201227} is an apocalyptic number.

11021220201227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021220201227 is an equidigital number, since it uses as much as digits as its factorization.

11021220201227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 11021220201227 its reverse (72210202212011), we get a palindrome (83231422413238).

The spelling of 11021220201227 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred one thousand, two hundred twenty-seven".