121420133422 has 64 divisors (see below), whose sum is σ = 221864762880. Its totient is φ = 48681150336.

The previous prime is 121420133411. The next prime is 121420133423. The reversal of 121420133422 is 224331024121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121420133423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6798288 + ... + 6816124.

It is an arithmetic number, because the mean of its divisors is an integer number (3466636920).

Almost surely, 2^121420133422 is an apocalyptic number.

121420133422 is a deficient number, since it is larger than the sum of its proper divisors (100444629458).

121420133422 is a wasteful number, since it uses less digits than its factorization.

121420133422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121420133422 its reverse (224331024121), we get a palindrome (345751157543).

The spelling of 121420133422 in words is "one hundred twenty-one billion, four hundred twenty million, one hundred thirty-three thousand, four hundred twenty-two".