10001121122 has 8 divisors (see below), whose sum is σ = 15067191900. Its totient is φ = 4978723824.

The previous prime is 10001121113. The next prime is 10001121133. The reversal of 10001121122 is 22112110001.

It can be written as a sum of positive squares in 2 ways, for example, as 8449470241 + 1551650881 = 91921^2 + 39391^2 .

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, 10917797 + ... + 10918712.

Almost surely, 2^10001121122 is an apocalyptic number.

10001121122 is a deficient number, since it is larger than the sum of its proper divisors (5066070778).

10001121122 is a wasteful number, since it uses less digits than its factorization.

10001121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21836740.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10001121122 its reverse (22112110001), we get a palindrome (32113231123).

The spelling of 10001121122 in words is "ten billion, one million, one hundred twenty-one thousand, one hundred twenty-two".