11354735601221 has 4 divisors (see below), whose sum is σ = 11354754449472. Its totient is φ = 11354716752972.

The previous prime is 11354735601191. The next prime is 11354735601323. The reversal of 11354735601221 is 12210653745311.

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 a de Polignac number, because none of the positive numbers 2^k-11354735601221 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 (11354735201221) 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, 8489591 + ... + 9735636.

It is an arithmetic number, because the mean of its divisors is an integer number (2838688612368).

Almost surely, 2^{11354735601221} is an apocalyptic number.

It is an amenable number.

11354735601221 is a deficient number, since it is larger than the sum of its proper divisors (18848251).

11354735601221 is an equidigital number, since it uses as much as digits as its factorization.

11354735601221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18848250.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 11354735601221 in words is "eleven trillion, three hundred fifty-four billion, seven hundred thirty-five million, six hundred one thousand, two hundred twenty-one".