121333333534 has 16 divisors (see below), whose sum is σ = 210059408736. Its totient is φ = 51485148000.

The previous prime is 121333333519. The next prime is 121333333571. The reversal of 121333333534 is 435333333121.

It is a self number, because there is not a number n which added to its sum of digits gives 121333333534.

It is a congruent number.

It is an unprimeable number.

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, 42902877 + ... + 42905704.

It is an arithmetic number, because the mean of its divisors is an integer number (13128713046).

Almost surely, 2^121333333534 is an apocalyptic number.

121333333534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121333333534 is a deficient number, since it is larger than the sum of its proper divisors (88726075202).

121333333534 is a wasteful number, since it uses less digits than its factorization.

121333333534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85808691.

The product of its digits is 87480, while the sum is 34.

Adding to 121333333534 its reverse (435333333121), we get a palindrome (556666666655).

The spelling of 121333333534 in words is "one hundred twenty-one billion, three hundred thirty-three million, three hundred thirty-three thousand, five hundred thirty-four".