221741580122 has 4 divisors (see below), whose sum is σ = 332612370186. Its totient is φ = 110870790060.

The previous prime is 221741580113. The next prime is 221741580127. The reversal of 221741580122 is 221085147122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 221491655641 + 249924481 = 470629^2 + 15809^2 .

It is not an unprimeable number, because it can be changed into a prime (221741580127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55435395029 + ... + 55435395032.

Almost surely, 2^221741580122 is an apocalyptic number.

221741580122 is a deficient number, since it is larger than the sum of its proper divisors (110870790064).

221741580122 is a wasteful number, since it uses less digits than its factorization.

221741580122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110870790063.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 221741580122 in words is "two hundred twenty-one billion, seven hundred forty-one million, five hundred eighty thousand, one hundred twenty-two".