1201122424311 has 4 divisors (see below), whose sum is σ = 1601496565752. Its totient is φ = 800748282872.

The previous prime is 1201122424289. The next prime is 1201122424417. The reversal of 1201122424311 is 1134242211021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201122424311 - 2⁵ = 1201122424279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201122425311) 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, 200187070716 + ... + 200187070721.

It is an arithmetic number, because the mean of its divisors is an integer number (400374141438).

Almost surely, 2^{1201122424311} is an apocalyptic number.

1201122424311 is a deficient number, since it is larger than the sum of its proper divisors (400374141441).

1201122424311 is an equidigital number, since it uses as much as digits as its factorization.

1201122424311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400374141440.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1201122424311 its reverse (1134242211021), we get a palindrome (2335364635332).

The spelling of 1201122424311 in words is "one trillion, two hundred one billion, one hundred twenty-two million, four hundred twenty-four thousand, three hundred eleven".