22010011102021 has 4 divisors (see below), whose sum is σ = 23304717637452. Its totient is φ = 20715304566592.

The previous prime is 22010011102019. The next prime is 22010011102043. The reversal of 22010011102021 is 12020111001022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18658823211396 + 3351187890625 = 4319586^2 + 1830625^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010011102021 - 2¹ = 22010011102019 is a prime.

It is a super-2 number, since 2×22010011102021² (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 = 22010011101992 and 22010011102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010011102621) 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 3 ways as a sum of consecutive naturals, for example, 647353267690 + ... + 647353267723.

It is an arithmetic number, because the mean of its divisors is an integer number (5826179409363).

Almost surely, 2^{22010011102021} is an apocalyptic number.

It is an amenable number.

22010011102021 is a deficient number, since it is larger than the sum of its proper divisors (1294706535431).

22010011102021 is a wasteful number, since it uses less digits than its factorization.

22010011102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294706535430.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22010011102021 its reverse (12020111001022), we get a palindrome (34030122103043).

The spelling of 22010011102021 in words is "twenty-two trillion, ten billion, eleven million, one hundred two thousand, twenty-one".