10000021202 has 4 divisors (see below), whose sum is σ = 15000031806. Its totient is φ = 5000010600.

The previous prime is 10000021183. The next prime is 10000021217. The reversal of 10000021202 is 20212000001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9980209801 + 19811401 = 99901^2 + 4451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10000021202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500005299 + ... + 2500005302.

Almost surely, 2^10000021202 is an apocalyptic number.

10000021202 is a deficient number, since it is larger than the sum of its proper divisors (5000010604).

10000021202 is an equidigital number, since it uses as much as digits as its factorization.

10000021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000010603.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10000021202 its reverse (20212000001), we get a palindrome (30212021203).

The spelling of 10000021202 in words is "ten billion, twenty-one thousand, two hundred two".