121307011 has 4 divisors (see below), whose sum is σ = 138636592. Its totient is φ = 103977432.

The previous prime is 121306993. The next prime is 121307033. The reversal of 121307011 is 110703121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110703121 = 29 ⋅3817349.

It is a cyclic number.

It is not a de Polignac number, because 121307011 - 2¹³ = 121298819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121307071) 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, 8664780 + ... + 8664793.

It is an arithmetic number, because the mean of its divisors is an integer number (34659148).

Almost surely, 2^121307011 is an apocalyptic number.

121307011 is a deficient number, since it is larger than the sum of its proper divisors (17329581).

121307011 is an equidigital number, since it uses as much as digits as its factorization.

121307011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17329580.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 121307011 is about 11013.9462046988. The cubic root of 121307011 is about 495.0267114790.

The spelling of 121307011 in words is "one hundred twenty-one million, three hundred seven thousand, eleven".