221203262302122 has 64 divisors (see below), whose sum is σ = 459035580720384. Its totient is φ = 71004432038400.

The previous prime is 221203262302103. The next prime is 221203262302207.

221203262302122 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 221203262302122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57487518 + ... + 61214550.

It is an arithmetic number, because the mean of its divisors is an integer number (7172430948756).

Almost surely, 2^{221203262302122} is an apocalyptic number.

221203262302122 is an abundant number, since it is smaller than the sum of its proper divisors (237832318418262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221203262302122 is a wasteful number, since it uses less digits than its factorization.

221203262302122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729823.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 221203262302122 in words is "two hundred twenty-one trillion, two hundred three billion, two hundred sixty-two million, three hundred two thousand, one hundred twenty-two".