10222200202021 has 4 divisors (see below), whose sum is σ = 10257088257612. Its totient is φ = 10187312146432.

The previous prime is 10222200202009. The next prime is 10222200202099. The reversal of 10222200202021 is 12020200222201.

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 9437583364225 + 784616837796 = 3072065^2 + 885786^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222200202021 - 2¹⁹ = 10222199677733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10222200201986 and 10222200202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222200202001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17444027356 + ... + 17444027941.

It is an arithmetic number, because the mean of its divisors is an integer number (2564272064403).

Almost surely, 2^{10222200202021} is an apocalyptic number.

It is an amenable number.

10222200202021 is a deficient number, since it is larger than the sum of its proper divisors (34888055591).

10222200202021 is an equidigital number, since it uses as much as digits as its factorization.

10222200202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34888055590.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10222200202021 its reverse (12020200222201), we get a palindrome (22242400424222).

The spelling of 10222200202021 in words is "ten trillion, two hundred twenty-two billion, two hundred million, two hundred two thousand, twenty-one".