121322443011 has 16 divisors (see below), whose sum is σ = 201678866688. Its totient is φ = 63024645600.

The previous prime is 121322443001. The next prime is 121322443031. The reversal of 121322443011 is 110344223121.

It is not a de Polignac number, because 121322443011 - 2⁵ = 121322442979 is a prime.

It is a super-2 number, since 2×121322443011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121322443001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262602460 + ... + 262602921.

It is an arithmetic number, because the mean of its divisors is an integer number (12604929168).

Almost surely, 2^121322443011 is an apocalyptic number.

121322443011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121322443011 is a deficient number, since it is larger than the sum of its proper divisors (80356423677).

121322443011 is a wasteful number, since it uses less digits than its factorization.

121322443011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525205402.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121322443011 its reverse (110344223121), we get a palindrome (231666666132).

The spelling of 121322443011 in words is "one hundred twenty-one billion, three hundred twenty-two million, four hundred forty-three thousand, eleven".