121121410143224 has 32 divisors (see below), whose sum is σ = 230714318939520. Its totient is φ = 59604806092896.

The previous prime is 121121410143193. The next prime is 121121410143229. The reversal of 121121410143224 is 422341014121121.

It is a happy number.

It is a super-2 number, since 2×121121410143224² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121410143229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450761402 + ... + 451030025.

It is an arithmetic number, because the mean of its divisors is an integer number (7209822466860).

Almost surely, 2^{121121410143224} is an apocalyptic number.

It is an amenable number.

121121410143224 is a deficient number, since it is larger than the sum of its proper divisors (109592908796296).

121121410143224 is a wasteful number, since it uses less digits than its factorization.

121121410143224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901791699 (or 901791695 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 121121410143224 its reverse (422341014121121), we get a palindrome (543462424264345).

The spelling of 121121410143224 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, four hundred ten million, one hundred forty-three thousand, two hundred twenty-four".