121442024111 has 8 divisors (see below), whose sum is σ = 123103787520. Its totient is φ = 119784989592.

The previous prime is 121442024059. The next prime is 121442024131. The reversal of 121442024111 is 111420244121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121442024111 - 2¹⁴ = 121442007727 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 (121442024131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130495 + ... + 1233248.

It is an arithmetic number, because the mean of its divisors is an integer number (15387973440).

Almost surely, 2^121442024111 is an apocalyptic number.

121442024111 is a deficient number, since it is larger than the sum of its proper divisors (1661763409).

121442024111 is an equidigital number, since it uses as much as digits as its factorization.

121442024111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364445.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 121442024111 its reverse (111420244121), we get a palindrome (232862268232).

The spelling of 121442024111 in words is "one hundred twenty-one billion, four hundred forty-two million, twenty-four thousand, one hundred eleven".