201220102133 has 4 divisors (see below), whose sum is σ = 201221405760. Its totient is φ = 201218798508.

The previous prime is 201220102117. The next prime is 201220102199. The reversal of 201220102133 is 331201022102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331201022102 = 2 ⋅165600511051.

It is a cyclic number.

It is not a de Polignac number, because 201220102133 - 2⁴ = 201220102117 is a prime.

It is a super-2 number, since 2×201220102133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220105133) 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, 383453 + ... + 741266.

It is an arithmetic number, because the mean of its divisors is an integer number (50305351440).

Almost surely, 2^201220102133 is an apocalyptic number.

It is an amenable number.

201220102133 is a deficient number, since it is larger than the sum of its proper divisors (1303627).

201220102133 is a wasteful number, since it uses less digits than its factorization.

201220102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303626.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201220102133 its reverse (331201022102), we get a palindrome (532421124235).

The spelling of 201220102133 in words is "two hundred one billion, two hundred twenty million, one hundred two thousand, one hundred thirty-three".