11202227221111 has 2 divisors, whose sum is σ = 11202227221112. Its totient is φ = 11202227221110.

The previous prime is 11202227221061. The next prime is 11202227221127. The reversal of 11202227221111 is 11112272220211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11202227221111 - 2¹³ = 11202227212919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202227221151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601113610555 + 5601113610556.

It is an arithmetic number, because the mean of its divisors is an integer number (5601113610556).

Almost surely, 2^{11202227221111} is an apocalyptic number.

11202227221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202227221111 is an equidigital number, since it uses as much as digits as its factorization.

11202227221111 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 25.

Adding to 11202227221111 its reverse (11112272220211), we get a palindrome (22314499441322).

The spelling of 11202227221111 in words is "eleven trillion, two hundred two billion, two hundred twenty-seven million, two hundred twenty-one thousand, one hundred eleven".