22010021020021 has 8 divisors (see below), whose sum is σ = 22056177772800. Its totient is φ = 21963865129920.

The previous prime is 22010021020007. The next prime is 22010021020033. The reversal of 22010021020021 is 12002012001022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22010021020021 - 2¹⁷ = 22010020888949 is a prime.

It is a super-2 number, since 2×22010021020021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22010021019983 and 22010021020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010021720021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92797501 + ... + 93034381.

It is an arithmetic number, because the mean of its divisors is an integer number (2757022221600).

Almost surely, 2^{22010021020021} is an apocalyptic number.

It is an amenable number.

22010021020021 is a deficient number, since it is larger than the sum of its proper divisors (46156752779).

22010021020021 is a wasteful number, since it uses less digits than its factorization.

22010021020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431339.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22010021020021 its reverse (12002012001022), we get a palindrome (34012033021043).

The spelling of 22010021020021 in words is "twenty-two trillion, ten billion, twenty-one million, twenty thousand, twenty-one".