11321222012101 has 4 divisors (see below), whose sum is σ = 11448426753900. Its totient is φ = 11194017270304.

The previous prime is 11321222012083. The next prime is 11321222012117. The reversal of 11321222012101 is 10121022212311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1495667850625 + 9825554161476 = 1222975^2 + 3134574^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321222012101 - 2²⁹ = 11320685141189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321222012501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63602370766 + ... + 63602370943.

It is an arithmetic number, because the mean of its divisors is an integer number (2862106688475).

Almost surely, 2^{11321222012101} is an apocalyptic number.

It is an amenable number.

11321222012101 is a deficient number, since it is larger than the sum of its proper divisors (127204741799).

11321222012101 is an equidigital number, since it uses as much as digits as its factorization.

11321222012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127204741798.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11321222012101 its reverse (10121022212311), we get a palindrome (21442244224412).

The spelling of 11321222012101 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twelve thousand, one hundred one".