10221121202021 has 8 divisors (see below), whose sum is σ = 10280835573888. Its totient is φ = 10161513180000.

The previous prime is 10221121202011. The next prime is 10221121202059. The reversal of 10221121202021 is 12020212112201.

10221121202021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10221121202021 - 2⁶ = 10221121201957 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 (10221121202011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26394680 + ... + 26779121.

It is an arithmetic number, because the mean of its divisors is an integer number (1285104446736).

Almost surely, 2^{10221121202021} is an apocalyptic number.

It is an amenable number.

10221121202021 is a deficient number, since it is larger than the sum of its proper divisors (59714371867).

10221121202021 is an equidigital number, since it uses as much as digits as its factorization.

10221121202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53174923.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10221121202021 its reverse (12020212112201), we get a palindrome (22241333314222).

The spelling of 10221121202021 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred two thousand, twenty-one".