220100221032133 has 4 divisors (see below), whose sum is σ = 237031007265388. Its totient is φ = 203169434798880.

The previous prime is 220100221032127. The next prime is 220100221032149. The reversal of 220100221032133 is 331230122001022.

220100221032133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 134661681601924 + 85438539430209 = 11604382^2 + 9243297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220100221032133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100221036133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8465393116608 + ... + 8465393116633.

It is an arithmetic number, because the mean of its divisors is an integer number (59257751816347).

Almost surely, 2^{220100221032133} is an apocalyptic number.

It is an amenable number.

220100221032133 is a deficient number, since it is larger than the sum of its proper divisors (16930786233255).

220100221032133 is a wasteful number, since it uses less digits than its factorization.

220100221032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16930786233254.

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

Adding to 220100221032133 its reverse (331230122001022), we get a palindrome (551330343033155).

The spelling of 220100221032133 in words is "two hundred twenty trillion, one hundred billion, two hundred twenty-one million, thirty-two thousand, one hundred thirty-three".