10022221012021 has 4 divisors (see below), whose sum is σ = 10094323321600. Its totient is φ = 9950118702444.

The previous prime is 10022221011997. The next prime is 10022221012057. The reversal of 10022221012021 is 12021012222001.

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.

It is a cyclic number.

It is not a de Polignac number, because 10022221012021 - 2⁵ = 10022221011989 is a prime.

It is a super-3 number, since 3×10022221012021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022221011986 and 10022221012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022221012061) 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, 36051154581 + ... + 36051154858.

It is an arithmetic number, because the mean of its divisors is an integer number (2523580830400).

Almost surely, 2^{10022221012021} is an apocalyptic number.

It is an amenable number.

10022221012021 is a deficient number, since it is larger than the sum of its proper divisors (72102309579).

10022221012021 is an equidigital number, since it uses as much as digits as its factorization.

10022221012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72102309578.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10022221012021 its reverse (12021012222001), we get a palindrome (22043233234022).

The spelling of 10022221012021 in words is "ten trillion, twenty-two billion, two hundred twenty-one million, twelve thousand, twenty-one".