981000220201 has 8 divisors (see below), whose sum is σ = 1042966601280. Its totient is φ = 920643355632.

The previous prime is 981000220181. The next prime is 981000220267. The reversal of 981000220201 is 102022000189.

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

It is not a de Polignac number, because 981000220201 - 2¹⁷ = 981000089129 is a prime.

It is a super-2 number, since 2×981000220201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981000220271) 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 7 ways as a sum of consecutive naturals, for example, 402377871 + ... + 402380308.

It is an arithmetic number, because the mean of its divisors is an integer number (130370825160).

Almost surely, 2^981000220201 is an apocalyptic number.

It is an amenable number.

981000220201 is a deficient number, since it is larger than the sum of its proper divisors (61966381079).

981000220201 is a wasteful number, since it uses less digits than its factorization.

981000220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804758255.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 981000220201 in words is "nine hundred eighty-one billion, two hundred twenty thousand, two hundred one".