221220302100133 has 16 divisors (see below), whose sum is σ = 253201709255040. Its totient is φ = 189333559800000.

The previous prime is 221220302100101. The next prime is 221220302100151. The reversal of 221220302100133 is 331001203022122.

It is not a de Polignac number, because 221220302100133 - 2⁵ = 221220302100101 is a prime.

It is a super-2 number, since 2×221220302100133² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221220302190133) 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 in 15 ways as a sum of consecutive naturals, for example, 68347923 + ... + 71511391.

It is an arithmetic number, because the mean of its divisors is an integer number (15825106828440).

Almost surely, 2^{221220302100133} is an apocalyptic number.

It is an amenable number.

221220302100133 is a deficient number, since it is larger than the sum of its proper divisors (31981407154907).

221220302100133 is a wasteful number, since it uses less digits than its factorization.

221220302100133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178428.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 221220302100133 its reverse (331001203022122), we get a palindrome (552221505122255).

The spelling of 221220302100133 in words is "two hundred twenty-one trillion, two hundred twenty billion, three hundred two million, one hundred thousand, one hundred thirty-three".