121201104424 has 32 divisors (see below), whose sum is σ = 240414840000. Its totient is φ = 57122537472.

The previous prime is 121201104407. The next prime is 121201104433. The reversal of 121201104424 is 424401102121.

It is a junction number, because it is equal to n+sod(n) for n = 121201104395 and 121201104404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973209 + ... + 2033704.

It is an arithmetic number, because the mean of its divisors is an integer number (7512963750).

Almost surely, 2^121201104424 is an apocalyptic number.

It is an amenable number.

121201104424 is a deficient number, since it is larger than the sum of its proper divisors (119213735576).

121201104424 is a wasteful number, since it uses less digits than its factorization.

121201104424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007137 (or 4007133 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121201104424 its reverse (424401102121), we get a palindrome (545602206545).

It can be divided in two parts, 121201 and 104424, that added together give a square (225625 = 475²).

The spelling of 121201104424 in words is "one hundred twenty-one billion, two hundred one million, one hundred four thousand, four hundred twenty-four".