11100222021137 has 2 divisors, whose sum is σ = 11100222021138. Its totient is φ = 11100222021136.

The previous prime is 11100222021121. The next prime is 11100222021149. The reversal of 11100222021137 is 73112022200111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6075455944336 + 5024766076801 = 2464844^2 + 2241599^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100222021137 - 2⁴ = 11100222021121 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100222021157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550111010568 + 5550111010569.

It is an arithmetic number, because the mean of its divisors is an integer number (5550111010569).

Almost surely, 2^{11100222021137} is an apocalyptic number.

It is an amenable number.

11100222021137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100222021137 is an equidigital number, since it uses as much as digits as its factorization.

11100222021137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 11100222021137 its reverse (73112022200111), we get a palindrome (84212244221248).

The spelling of 11100222021137 in words is "eleven trillion, one hundred billion, two hundred twenty-two million, twenty-one thousand, one hundred thirty-seven".