1311100122 has 16 divisors (see below), whose sum is σ = 2623536000. Its totient is φ = 436810752.

The previous prime is 1311100099. The next prime is 1311100127. The reversal of 1311100122 is 2210011131.

1311100122 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1311100098 and 1311100107.

It is not an unprimeable number, because it can be changed into a prime (1311100127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42663 + ... + 66650.

It is an arithmetic number, because the mean of its divisors is an integer number (163971000).

Almost surely, 2^1311100122 is an apocalyptic number.

1311100122 is an abundant number, since it is smaller than the sum of its proper divisors (1312435878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311100122 is a wasteful number, since it uses less digits than its factorization.

1311100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111317.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1311100122 is about 36209.1165592313. The cubic root of 1311100122 is about 1094.4903898333.

Adding to 1311100122 its reverse (2210011131), we get a palindrome (3521111253).

The spelling of 1311100122 in words is "one billion, three hundred eleven million, one hundred thousand, one hundred twenty-two".