10000221122 has 8 divisors (see below), whose sum is σ = 15101005500. Its totient is φ = 4966552624.

The previous prime is 10000221097. The next prime is 10000221131. The reversal of 10000221122 is 22112200001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9958243681 + 41977441 = 99791^2 + 6479^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16778597 + ... + 16779192.

Almost surely, 2^10000221122 is an apocalyptic number.

10000221122 is a deficient number, since it is larger than the sum of its proper divisors (5100784378).

10000221122 is a wasteful number, since it uses less digits than its factorization.

10000221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33557940.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10000221122 its reverse (22112200001), we get a palindrome (32112421123).

The spelling of 10000221122 in words is "ten billion, two hundred twenty-one thousand, one hundred twenty-two".