10022212021 has 4 divisors (see below), whose sum is σ = 10023199200. Its totient is φ = 10021224844.

The previous prime is 10022212007. The next prime is 10022212043. The reversal of 10022212021 is 12021222001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12021222001 = 157 ⋅76568293.

It is a cyclic number.

It is not a de Polignac number, because 10022212021 - 2⁵ = 10022211989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022211992 and 10022212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022312021) 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, 478201 + ... + 498718.

It is an arithmetic number, because the mean of its divisors is an integer number (2505799800).

Almost surely, 2^10022212021 is an apocalyptic number.

It is an amenable number.

10022212021 is a deficient number, since it is larger than the sum of its proper divisors (987179).

10022212021 is an equidigital number, since it uses as much as digits as its factorization.

10022212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987178.

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

Adding to 10022212021 its reverse (12021222001), we get a palindrome (22043434022).

The spelling of 10022212021 in words is "ten billion, twenty-two million, two hundred twelve thousand, twenty-one".