121421031314 has 16 divisors (see below), whose sum is σ = 198761865120. Its totient is φ = 55171126560.

The previous prime is 121421031307. The next prime is 121421031317. The reversal of 121421031314 is 413130124121.

It is a self number, because there is not a number n which added to its sum of digits gives 121421031314.

It is not an unprimeable number, because it can be changed into a prime (121421031317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951164 + ... + 1071239.

It is an arithmetic number, because the mean of its divisors is an integer number (12422616570).

Almost surely, 2^121421031314 is an apocalyptic number.

121421031314 is a deficient number, since it is larger than the sum of its proper divisors (77340833806).

121421031314 is a wasteful number, since it uses less digits than its factorization.

121421031314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025145.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121421031314 its reverse (413130124121), we get a palindrome (534551155435).

The spelling of 121421031314 in words is "one hundred twenty-one billion, four hundred twenty-one million, thirty-one thousand, three hundred fourteen".