10221022202 has 4 divisors (see below), whose sum is σ = 15331533306. Its totient is φ = 5110511100.

The previous prime is 10221022193. The next prime is 10221022237. The reversal of 10221022202 is 20222012201.

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., 9547048681 + 673973521 = 97709^2 + 25961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555255549 + ... + 2555255552.

Almost surely, 2^10221022202 is an apocalyptic number.

10221022202 is a deficient number, since it is larger than the sum of its proper divisors (5110511104).

10221022202 is an equidigital number, since it uses as much as digits as its factorization.

10221022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110511103.

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

Adding to 10221022202 its reverse (20222012201), we get a palindrome (30443034403).

The spelling of 10221022202 in words is "ten billion, two hundred twenty-one million, twenty-two thousand, two hundred two".