201022110222021 has 36 divisors (see below), whose sum is σ = 320201441656096. Its totient is φ = 121434736206960.

The previous prime is 201022110222013. The next prime is 201022110222067. The reversal of 201022110222021 is 120222011220102.

It is a happy number.

201022110222021 is a `hidden beast` number, since 201 + 0 + 221 + 1 + 0 + 2 + 220 + 21 = 666.

It is not a de Polignac number, because 201022110222021 - 2³ = 201022110222013 is a prime.

It is a super-2 number, since 2×201022110222021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201022110221985 and 201022110222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022110222001) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 300306241 + ... + 300974886.

Almost surely, 2^{201022110222021} is an apocalyptic number.

It is an amenable number.

201022110222021 is a deficient number, since it is larger than the sum of its proper divisors (119179331434075).

201022110222021 is a wasteful number, since it uses less digits than its factorization.

201022110222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601281462 (or 601281448 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201022110222021 its reverse (120222011220102), we get a palindrome (321244121442123).

The spelling of 201022110222021 in words is "two hundred one trillion, twenty-two billion, one hundred ten million, two hundred twenty-two thousand, twenty-one".