1201341134221 has 4 divisors (see below), whose sum is σ = 1253573357472. Its totient is φ = 1149108910972.

The previous prime is 1201341134183. The next prime is 1201341134239. The reversal of 1201341134221 is 1224311431021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201341134221 - 2⁷ = 1201341134093 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 (1201341134281) 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, 26116111591 + ... + 26116111636.

It is an arithmetic number, because the mean of its divisors is an integer number (313393339368).

Almost surely, 2^{1201341134221} is an apocalyptic number.

It is an amenable number.

1201341134221 is a deficient number, since it is larger than the sum of its proper divisors (52232223251).

1201341134221 is an equidigital number, since it uses as much as digits as its factorization.

1201341134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52232223250.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1201341134221 its reverse (1224311431021), we get a palindrome (2425652565242).

The spelling of 1201341134221 in words is "one trillion, two hundred one billion, three hundred forty-one million, one hundred thirty-four thousand, two hundred twenty-one".