11401220122 has 16 divisors (see below), whose sum is σ = 17549167680. Its totient is φ = 5552249472.

The previous prime is 11401220111. The next prime is 11401220137. The reversal of 11401220122 is 22102210411.

It is a junction number, because it is equal to n+sod(n) for n = 11401220096 and 11401220105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157422 + ... + 218137.

It is an arithmetic number, because the mean of its divisors is an integer number (1096822980).

Almost surely, 2^11401220122 is an apocalyptic number.

11401220122 is a deficient number, since it is larger than the sum of its proper divisors (6147947558).

11401220122 is a wasteful number, since it uses less digits than its factorization.

11401220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375957.

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

Adding to 11401220122 its reverse (22102210411), we get a palindrome (33503430533).

The spelling of 11401220122 in words is "eleven billion, four hundred one million, two hundred twenty thousand, one hundred twenty-two".