121422414442 has 24 divisors (see below), whose sum is σ = 213138432864. Its totient is φ = 51726564792.

The previous prime is 121422414431. The next prime is 121422414497. The reversal of 121422414442 is 244414224121.

121422414442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3693228 + ... + 3725959.

It is an arithmetic number, because the mean of its divisors is an integer number (8880768036).

Almost surely, 2^121422414442 is an apocalyptic number.

121422414442 is a deficient number, since it is larger than the sum of its proper divisors (91716018422).

121422414442 is a wasteful number, since it uses less digits than its factorization.

121422414442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7419370 (or 7419363 counting only the distinct ones).

The product of its digits is 16384, while the sum is 31.

Adding to 121422414442 its reverse (244414224121), we get a palindrome (365836638563).

The spelling of 121422414442 in words is "one hundred twenty-one billion, four hundred twenty-two million, four hundred fourteen thousand, four hundred forty-two".