121422344422 has 4 divisors (see below), whose sum is σ = 182133516636. Its totient is φ = 60711172210.

The previous prime is 121422344413. The next prime is 121422344431. The reversal of 121422344422 is 224443224121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224443224121 = 173 ⋅1297359677.

It is an interprime number because it is at equal distance from previous prime (121422344413) and next prime (121422344431).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30355586104 + ... + 30355586107.

It is an arithmetic number, because the mean of its divisors is an integer number (45533379159).

Almost surely, 2^121422344422 is an apocalyptic number.

121422344422 is a deficient number, since it is larger than the sum of its proper divisors (60711172214).

121422344422 is an equidigital number, since it uses as much as digits as its factorization.

121422344422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60711172213.

The product of its digits is 24576, while the sum is 31.

Adding to 121422344422 its reverse (224443224121), we get a palindrome (345865568543).

The spelling of 121422344422 in words is "one hundred twenty-one billion, four hundred twenty-two million, three hundred forty-four thousand, four hundred twenty-two".