121221134424334 has 32 divisors (see below), whose sum is σ = 209212779225600. Its totient is φ = 51600669495072.

The previous prime is 121221134424281. The next prime is 121221134424343. The reversal of 121221134424334 is 433424431122121.

It is a super-2 number, since 2×121221134424334² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121221134424293 and 121221134424302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40662117 + ... + 43541359.

It is an arithmetic number, because the mean of its divisors is an integer number (6537899350800).

Almost surely, 2^{121221134424334} is an apocalyptic number.

121221134424334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121221134424334 is a deficient number, since it is larger than the sum of its proper divisors (87991644801266).

121221134424334 is a wasteful number, since it uses less digits than its factorization.

121221134424334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899584.

The product of its digits is 110592, while the sum is 37.

Adding to 121221134424334 its reverse (433424431122121), we get a palindrome (554645565546455).

The spelling of 121221134424334 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, one hundred thirty-four million, four hundred twenty-four thousand, three hundred thirty-four".