121561053622 has 8 divisors (see below), whose sum is σ = 182530147536. Its totient is φ = 60717671112.

The previous prime is 121561053599. The next prime is 121561053661. The reversal of 121561053622 is 226350165121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31425433 + ... + 31429300.

It is an arithmetic number, because the mean of its divisors is an integer number (22816268442).

Almost surely, 2^121561053622 is an apocalyptic number.

121561053622 is a deficient number, since it is larger than the sum of its proper divisors (60969093914).

121561053622 is an equidigital number, since it uses as much as digits as its factorization.

121561053622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62855702.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 121561053622 in words is "one hundred twenty-one billion, five hundred sixty-one million, fifty-three thousand, six hundred twenty-two".