121422423422 has 8 divisors (see below), whose sum is σ = 188414105400. Its totient is φ = 58617721624.

The previous prime is 121422423407. The next prime is 121422423431. The reversal of 121422423422 is 224324224121.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046744972 + ... + 1046745087.

It is an arithmetic number, because the mean of its divisors is an integer number (23551763175).

Almost surely, 2^121422423422 is an apocalyptic number.

121422423422 is a deficient number, since it is larger than the sum of its proper divisors (66991681978).

121422423422 is a wasteful number, since it uses less digits than its factorization.

121422423422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093490090.

The product of its digits is 12288, while the sum is 29.

Adding to 121422423422 its reverse (224324224121), we get a palindrome (345746647543).

The spelling of 121422423422 in words is "one hundred twenty-one billion, four hundred twenty-two million, four hundred twenty-three thousand, four hundred twenty-two".