121347527311 has 4 divisors (see below), whose sum is σ = 123637103352. Its totient is φ = 119057951272.

The previous prime is 121347527291. The next prime is 121347527333. The reversal of 121347527311 is 113725743121.

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 121347527311 - 2¹⁷ = 121347396239 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 (121347527341) 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, 1144787941 + ... + 1144788046.

It is an arithmetic number, because the mean of its divisors is an integer number (30909275838).

Almost surely, 2^121347527311 is an apocalyptic number.

121347527311 is a deficient number, since it is larger than the sum of its proper divisors (2289576041).

121347527311 is an equidigital number, since it uses as much as digits as its factorization.

121347527311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289576040.

The product of its digits is 35280, while the sum is 37.

The spelling of 121347527311 in words is "one hundred twenty-one billion, three hundred forty-seven million, five hundred twenty-seven thousand, three hundred eleven".