10200002221021 has 8 divisors (see below), whose sum is σ = 10736976538080. Its totient is φ = 9663041113488.

The previous prime is 10200002221009. The next prime is 10200002221069. The reversal of 10200002221021 is 12012220000201.

It is a happy number.

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 10200002221021 - 2⁹ = 10200002220509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10200002220992 and 10200002221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200002221001) 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, 1697386 + ... + 4825051.

It is an arithmetic number, because the mean of its divisors is an integer number (1342122067260).

Almost surely, 2^{10200002221021} is an apocalyptic number.

It is an amenable number.

10200002221021 is a deficient number, since it is larger than the sum of its proper divisors (536974317059).

10200002221021 is an equidigital number, since it uses as much as digits as its factorization.

10200002221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604763.

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

Adding to 10200002221021 its reverse (12012220000201), we get a palindrome (22212222221222).

The spelling of 10200002221021 in words is "ten trillion, two hundred billion, two million, two hundred twenty-one thousand, twenty-one".