21122020233122 has 8 divisors (see below), whose sum is σ = 32539328467356. Its totient is φ = 10275577410672.

The previous prime is 21122020233107. The next prime is 21122020233169. The reversal of 21122020233122 is 22133202022112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15769881419161 + 5352138813961 = 3971131^2 + 2313469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21122020233122² (a number of 27 digits) contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 142716352853 + ... + 142716353000.

Almost surely, 2^{21122020233122} is an apocalyptic number.

21122020233122 is a deficient number, since it is larger than the sum of its proper divisors (11417308234234).

21122020233122 is a wasteful number, since it uses less digits than its factorization.

21122020233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285432705892.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21122020233122 its reverse (22133202022112), we get a palindrome (43255222255234).

The spelling of 21122020233122 in words is "twenty-one trillion, one hundred twenty-two billion, twenty million, two hundred thirty-three thousand, one hundred twenty-two".