10221110122 has 4 divisors (see below), whose sum is σ = 15331665186. Its totient is φ = 5110555060.

The previous prime is 10221110101. The next prime is 10221110143. The reversal of 10221110122 is 22101112201.

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

It is an interprime number because it is at equal distance from previous prime (10221110101) and next prime (10221110143).

It can be written as a sum of positive squares in only one way, i.e., 7872835441 + 2348274681 = 88729^2 + 48459^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555277529 + ... + 2555277532.

Almost surely, 2^10221110122 is an apocalyptic number.

10221110122 is a deficient number, since it is larger than the sum of its proper divisors (5110555064).

10221110122 is an equidigital number, since it uses as much as digits as its factorization.

10221110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110555063.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10221110122 its reverse (22101112201), we get a palindrome (32322222323).

The spelling of 10221110122 in words is "ten billion, two hundred twenty-one million, one hundred ten thousand, one hundred twenty-two".