120000221097 has 16 divisors (see below), whose sum is σ = 161125155840. Its totient is φ = 79439446800.

The previous prime is 120000221069. The next prime is 120000221203. The reversal of 120000221097 is 790122000021.

It is not a de Polignac number, because 120000221097 - 2¹⁰ = 120000220073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120000221797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61972 + ... + 493802.

It is an arithmetic number, because the mean of its divisors is an integer number (10070322240).

Almost surely, 2^120000221097 is an apocalyptic number.

It is an amenable number.

120000221097 is a deficient number, since it is larger than the sum of its proper divisors (41124934743).

120000221097 is a wasteful number, since it uses less digits than its factorization.

120000221097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432484.

The product of its (nonzero) digits is 504, while the sum is 24.

The spelling of 120000221097 in words is "one hundred twenty billion, two hundred twenty-one thousand, ninety-seven".