11420210122 has 12 divisors (see below), whose sum is σ = 18197256150. Its totient is φ = 5374216256.

The previous prime is 11420210111. The next prime is 11420210147. The reversal of 11420210122 is 22101202411.

It can be written as a sum of positive squares in 3 ways, for example, as 11384676601 + 35533521 = 106699^2 + 5961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11420210096 and 11420210105.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9878497 + ... + 9879652.

Almost surely, 2^11420210122 is an apocalyptic number.

11420210122 is a deficient number, since it is larger than the sum of its proper divisors (6777046028).

11420210122 is a wasteful number, since it uses less digits than its factorization.

11420210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19758185 (or 19758168 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11420210122 its reverse (22101202411), we get a palindrome (33521412533).

The spelling of 11420210122 in words is "eleven billion, four hundred twenty million, two hundred ten thousand, one hundred twenty-two".