121322524109 has 4 divisors (see below), whose sum is σ = 121324543200. Its totient is φ = 121320505020.

The previous prime is 121322524097. The next prime is 121322524151. The reversal of 121322524109 is 901425223121.

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 121322524109 - 2⁴ = 121322524093 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 (121322524199) 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, 916559 + ... + 1040540.

It is an arithmetic number, because the mean of its divisors is an integer number (30331135800).

Almost surely, 2^121322524109 is an apocalyptic number.

It is an amenable number.

121322524109 is a deficient number, since it is larger than the sum of its proper divisors (2019091).

121322524109 is an equidigital number, since it uses as much as digits as its factorization.

121322524109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019090.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 121322524109 in words is "one hundred twenty-one billion, three hundred twenty-two million, five hundred twenty-four thousand, one hundred nine".