1201122133301 has 4 divisors (see below), whose sum is σ = 1201143768204. Its totient is φ = 1201100498400.

The previous prime is 1201122133297. The next prime is 1201122133303. The reversal of 1201122133301 is 1033312211021.

It is a happy number.

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 342301054225 + 858821079076 = 585065^2 + 926726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201122133301 - 2² = 1201122133297 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 (1201122133303) 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, 10733960 + ... + 10845281.

It is an arithmetic number, because the mean of its divisors is an integer number (300285942051).

Almost surely, 2^{1201122133301} is an apocalyptic number.

It is an amenable number.

1201122133301 is a deficient number, since it is larger than the sum of its proper divisors (21634903).

1201122133301 is an equidigital number, since it uses as much as digits as its factorization.

1201122133301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21634902.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1201122133301 its reverse (1033312211021), we get a palindrome (2234434344322).

The spelling of 1201122133301 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred thirty-three thousand, three hundred one".