1000202110221 has 8 divisors (see below), whose sum is σ = 1333751011264. Its totient is φ = 666727308000.

The previous prime is 1000202110207. The next prime is 1000202110223. The reversal of 1000202110221 is 1220112020001.

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

It is not a de Polignac number, because 1000202110221 - 2⁵ = 1000202110189 is a prime.

It is a super-2 number, since 2×1000202110221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000202110197 and 1000202110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000202110223) 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, 18493201 + ... + 18547206.

It is an arithmetic number, because the mean of its divisors is an integer number (166718876408).

Almost surely, 2^{1000202110221} is an apocalyptic number.

It is an amenable number.

1000202110221 is a deficient number, since it is larger than the sum of its proper divisors (333548901043).

1000202110221 is an equidigital number, since it uses as much as digits as its factorization.

1000202110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37049411.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000202110221 its reverse (1220112020001), we get a palindrome (2220314130222).

The spelling of 1000202110221 in words is "one trillion, two hundred two million, one hundred ten thousand, two hundred twenty-one".