10002221202021 has 8 divisors (see below), whose sum is σ = 13337903495904. Its totient is φ = 6667343188080.

The previous prime is 10002221202013. The next prime is 10002221202059. The reversal of 10002221202021 is 12020212220001.

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

It is not a de Polignac number, because 10002221202021 - 2³ = 10002221202013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002221200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201040966 + ... + 201090711.

It is an arithmetic number, because the mean of its divisors is an integer number (1667237936988).

Almost surely, 2^{10002221202021} is an apocalyptic number.

It is an amenable number.

10002221202021 is a deficient number, since it is larger than the sum of its proper divisors (3335682293883).

10002221202021 is an equidigital number, since it uses as much as digits as its factorization.

10002221202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402139971.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10002221202021 its reverse (12020212220001), we get a palindrome (22022433422022).

The spelling of 10002221202021 in words is "ten trillion, two billion, two hundred twenty-one million, two hundred two thousand, twenty-one".