10222233212021 has 4 divisors (see below), whose sum is σ = 10222592760492. Its totient is φ = 10221873663552.

The previous prime is 10222233211969. The next prime is 10222233212027. The reversal of 10222233212021 is 12021233222201.

It is a happy number.

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 7305262980625 + 2916970231396 = 2702825^2 + 1707914^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222233212021 - 2²² = 10222229017717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222233212027) 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, 179731586 + ... + 179788451.

It is an arithmetic number, because the mean of its divisors is an integer number (2555648190123).

Almost surely, 2^{10222233212021} is an apocalyptic number.

It is an amenable number.

10222233212021 is a deficient number, since it is larger than the sum of its proper divisors (359548471).

10222233212021 is an equidigital number, since it uses as much as digits as its factorization.

10222233212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359548470.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 10222233212021 its reverse (12021233222201), we get a palindrome (22243466434222).

The spelling of 10222233212021 in words is "ten trillion, two hundred twenty-two billion, two hundred thirty-three million, two hundred twelve thousand, twenty-one".