121030320011 has 4 divisors (see below), whose sum is σ = 121247610192. Its totient is φ = 120813029832.

The previous prime is 121030320007. The next prime is 121030320119. The reversal of 121030320011 is 110023030121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110023030121 = 2621 ⋅41977501.

It is a cyclic number.

It is not a de Polignac number, because 121030320011 - 2² = 121030320007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121030320211) 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, 108644255 + ... + 108645368.

It is an arithmetic number, because the mean of its divisors is an integer number (30311902548).

Almost surely, 2^121030320011 is an apocalyptic number.

121030320011 is a deficient number, since it is larger than the sum of its proper divisors (217290181).

121030320011 is an equidigital number, since it uses as much as digits as its factorization.

121030320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217290180.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121030320011 its reverse (110023030121), we get a palindrome (231053350132).

The spelling of 121030320011 in words is "one hundred twenty-one billion, thirty million, three hundred twenty thousand, eleven".