121053022556 has 24 divisors (see below), whose sum is σ = 213403750560. Its totient is φ = 60081924672.

The previous prime is 121053022543. The next prime is 121053022567. The reversal of 121053022556 is 655220350121.

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, 170966 + ... + 520898.

It is an arithmetic number, because the mean of its divisors is an integer number (8891822940).

Almost surely, 2^121053022556 is an apocalyptic number.

It is an amenable number.

121053022556 is a deficient number, since it is larger than the sum of its proper divisors (92350728004).

121053022556 is a wasteful number, since it uses less digits than its factorization.

121053022556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350573 (or 350571 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 121053022556 its reverse (655220350121), we get a palindrome (776273372677).

The spelling of 121053022556 in words is "one hundred twenty-one billion, fifty-three million, twenty-two thousand, five hundred fifty-six".