221020000120195 has 8 divisors (see below), whose sum is σ = 269571934573200. Its totient is φ = 173917377143520.

The previous prime is 221020000120133. The next prime is 221020000120243. The reversal of 221020000120195 is 591021000020122.

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

It is not a de Polignac number, because 221020000120195 - 2¹¹ = 221020000118147 is a prime.

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, 362327868745 + ... + 362327869354.

It is an arithmetic number, because the mean of its divisors is an integer number (33696491821650).

Almost surely, 2^{221020000120195} is an apocalyptic number.

221020000120195 is a deficient number, since it is larger than the sum of its proper divisors (48551934453005).

221020000120195 is an equidigital number, since it uses as much as digits as its factorization.

221020000120195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724655738165.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 221020000120195 in words is "two hundred twenty-one trillion, twenty billion, one hundred twenty thousand, one hundred ninety-five".