120000221121 has 8 divisors (see below), whose sum is σ = 174545776224. Its totient is φ = 72727406720.

The previous prime is 120000221069. The next prime is 120000221203. The reversal of 120000221121 is 121122000021.

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 120000221121 - 2³⁴ = 102820351937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120000221097 and 120000221106.

It is not an unprimeable number, because it can be changed into a prime (120000221221) 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, 1818185136 + ... + 1818185201.

It is an arithmetic number, because the mean of its divisors is an integer number (21818222028).

Almost surely, 2^120000221121 is an apocalyptic number.

120000221121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120000221121 is a deficient number, since it is larger than the sum of its proper divisors (54545555103).

120000221121 is a wasteful number, since it uses less digits than its factorization.

120000221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636370351.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120000221121 its reverse (121122000021), we get a palindrome (241122221142).

The spelling of 120000221121 in words is "one hundred twenty billion, two hundred twenty-one thousand, one hundred twenty-one".