10000221220202 has 4 divisors (see below), whose sum is σ = 15000331830306. Its totient is φ = 5000110610100.

The previous prime is 10000221220201. The next prime is 10000221220211. The reversal of 10000221220202 is 20202212200001.

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., 8767586142121 + 1232635078081 = 2961011^2 + 1110241^2 .

It is not an unprimeable number, because it can be changed into a prime (10000221220201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500055305049 + ... + 2500055305052.

Almost surely, 2^{10000221220202} is an apocalyptic number.

10000221220202 is a deficient number, since it is larger than the sum of its proper divisors (5000110610104).

10000221220202 is an equidigital number, since it uses as much as digits as its factorization.

10000221220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000110610103.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10000221220202 its reverse (20202212200001), we get a palindrome (30202433420203).

The spelling of 10000221220202 in words is "ten trillion, two hundred twenty-one million, two hundred twenty thousand, two hundred two".