201020122022 has 4 divisors (see below), whose sum is σ = 301530183036. Its totient is φ = 100510061010.

The previous prime is 201020122019. The next prime is 201020122091. The reversal of 201020122022 is 220221020102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220221020102 = 2 ⋅110110510051.

It is a junction number, because it is equal to n+sod(n) for n = 201020121988 and 201020122006.

It is a congruent number.

It is an unprimeable number.

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, 50255030504 + ... + 50255030507.

It is an arithmetic number, because the mean of its divisors is an integer number (75382545759).

Almost surely, 2^201020122022 is an apocalyptic number.

201020122022 is a deficient number, since it is larger than the sum of its proper divisors (100510061014).

201020122022 is a wasteful number, since it uses less digits than its factorization.

201020122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100510061013.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201020122022 its reverse (220221020102), we get a palindrome (421241142124).

The spelling of 201020122022 in words is "two hundred one billion, twenty million, one hundred twenty-two thousand, twenty-two".