121330421422 has 64 divisors (see below), whose sum is σ = 227713425408. Its totient is φ = 47344176000.

The previous prime is 121330421417. The next prime is 121330421449. The reversal of 121330421422 is 224124033121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509272 + ... + 708532.

It is an arithmetic number, because the mean of its divisors is an integer number (3558022272).

Almost surely, 2^121330421422 is an apocalyptic number.

121330421422 is a deficient number, since it is larger than the sum of its proper divisors (106383003986).

121330421422 is a wasteful number, since it uses less digits than its factorization.

121330421422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199385.

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

Adding to 121330421422 its reverse (224124033121), we get a palindrome (345454454543).

The spelling of 121330421422 in words is "one hundred twenty-one billion, three hundred thirty million, four hundred twenty-one thousand, four hundred twenty-two".