121543020622 has 16 divisors (see below), whose sum is σ = 182629989360. Its totient is φ = 60666435648.

The previous prime is 121543020593. The next prime is 121543020707. The reversal of 121543020622 is 226020345121.

It is a congruent number.

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, 3337858 + ... + 3374074.

It is an arithmetic number, because the mean of its divisors is an integer number (11414374335).

Almost surely, 2^121543020622 is an apocalyptic number.

121543020622 is a deficient number, since it is larger than the sum of its proper divisors (61086968738).

121543020622 is a wasteful number, since it uses less digits than its factorization.

121543020622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39075.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 121543020622 its reverse (226020345121), we get a palindrome (347563365743).

The spelling of 121543020622 in words is "one hundred twenty-one billion, five hundred forty-three million, twenty thousand, six hundred twenty-two".