20010201122021 has 16 divisors (see below), whose sum is σ = 22302074539008. Its totient is φ = 17797410313200.

The previous prime is 20010201122011. The next prime is 20010201122057. The reversal of 20010201122021 is 12022110201002.

It is a cyclic number.

It is not a de Polignac number, because 20010201122021 - 2¹⁸ = 20010200859877 is a prime.

It is a super-2 number, since 2×20010201122021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20010201121987 and 20010201122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010201122011) 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, 5825795 + ... + 8600016.

It is an arithmetic number, because the mean of its divisors is an integer number (1393879658688).

Almost surely, 2^{20010201122021} is an apocalyptic number.

It is an amenable number.

20010201122021 is a deficient number, since it is larger than the sum of its proper divisors (2291873416987).

20010201122021 is a wasteful number, since it uses less digits than its factorization.

20010201122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428552.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010201122021 its reverse (12022110201002), we get a palindrome (32032311323023).

The spelling of 20010201122021 in words is "twenty trillion, ten billion, two hundred one million, one hundred twenty-two thousand, twenty-one".