22213310101021 has 4 divisors (see below), whose sum is σ = 23922026262652. Its totient is φ = 20504593939392.

The previous prime is 22213310101019. The next prime is 22213310101061. The reversal of 22213310101021 is 12010101331222.

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 7376715752121 + 14836594348900 = 2716011^2 + 3851830^2 .

It is a cyclic number.

It is not a de Polignac number, because 22213310101021 - 2¹ = 22213310101019 is a prime.

It is a super-3 number, since 3×22213310101021³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22213310101021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213310101061) 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 3 ways as a sum of consecutive naturals, for example, 854358080796 + ... + 854358080821.

It is an arithmetic number, because the mean of its divisors is an integer number (5980506565663).

Almost surely, 2^{22213310101021} is an apocalyptic number.

It is an amenable number.

22213310101021 is a deficient number, since it is larger than the sum of its proper divisors (1708716161631).

22213310101021 is a wasteful number, since it uses less digits than its factorization.

22213310101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708716161630.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 22213310101021 its reverse (12010101331222), we get a palindrome (34223411432243).

The spelling of 22213310101021 in words is "twenty-two trillion, two hundred thirteen billion, three hundred ten million, one hundred one thousand, twenty-one".