1101222131201 has 2 divisors, whose sum is σ = 1101222131202. Its totient is φ = 1101222131200.

The previous prime is 1101222131171. The next prime is 1101222131213. The reversal of 1101222131201 is 1021312221011.

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., 1087273340176 + 13948791025 = 1042724^2 + 118105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101222131201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101222131201.

It is not a weakly prime, because it can be changed into another prime (1101222130201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550611065600 + 550611065601.

It is an arithmetic number, because the mean of its divisors is an integer number (550611065601).

Almost surely, 2^{1101222131201} is an apocalyptic number.

It is an amenable number.

1101222131201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101222131201 is an equidigital number, since it uses as much as digits as its factorization.

1101222131201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1101222131201 its reverse (1021312221011), we get a palindrome (2122534352212).

The spelling of 1101222131201 in words is "one trillion, one hundred one billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred one".