121122332011 has 4 divisors (see below), whose sum is σ = 121353923992. Its totient is φ = 120890740032.

The previous prime is 121122331987. The next prime is 121122332021. The reversal of 121122332011 is 110233221121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121122332011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121122332011.

It is not an unprimeable number, because it can be changed into a prime (121122332021) 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, 115795206 + ... + 115796251.

It is an arithmetic number, because the mean of its divisors is an integer number (30338480998).

Almost surely, 2^121122332011 is an apocalyptic number.

121122332011 is a deficient number, since it is larger than the sum of its proper divisors (231591981).

121122332011 is an equidigital number, since it uses as much as digits as its factorization.

121122332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231591980.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121122332011 its reverse (110233221121), we get a palindrome (231355553132).

The spelling of 121122332011 in words is "one hundred twenty-one billion, one hundred twenty-two million, three hundred thirty-two thousand, eleven".