120112225553621 has 8 divisors (see below), whose sum is σ = 137274721073280. Its totient is φ = 102950631572688.

The previous prime is 120112225553609. The next prime is 120112225553629. The reversal of 120112225553621 is 126355522211021.

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

It is a cyclic number.

It is not a de Polignac number, because 120112225553621 - 2¹⁴ = 120112225537237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112225553629) 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, 225099161 + ... + 225632126.

It is an arithmetic number, because the mean of its divisors is an integer number (17159340134160).

Almost surely, 2^{120112225553621} is an apocalyptic number.

It is an amenable number.

120112225553621 is a deficient number, since it is larger than the sum of its proper divisors (17162495519659).

120112225553621 is an equidigital number, since it uses as much as digits as its factorization.

120112225553621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450769363.

The product of its (nonzero) digits is 72000, while the sum is 38.

Adding to 120112225553621 its reverse (126355522211021), we get a palindrome (246467747764642).

The spelling of 120112225553621 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred twenty-five million, five hundred fifty-three thousand, six hundred twenty-one".