1101311104 has 64 divisors (see below), whose sum is σ = 2240654400. Its totient is φ = 539069440.

The previous prime is 1101311087. The next prime is 1101311129. The reversal of 1101311104 is 4011131011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1101311104² = 2425772295587397632, which contains 22 as substring.

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, 1626414 + ... + 1627090.

It is an arithmetic number, because the mean of its divisors is an integer number (35010225).

Almost surely, 2^1101311104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101311104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120327200).

1101311104 is an abundant number, since it is smaller than the sum of its proper divisors (1139343296).

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

1101311104 is an equidigital number, since it uses as much as digits as its factorization.

1101311104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1101311104 is about 33186.0076538290. The cubic root of 1101311104 is about 1032.6900818873.

Adding to 1101311104 its reverse (4011131011), we get a palindrome (5112442115).

The spelling of 1101311104 in words is "one billion, one hundred one million, three hundred eleven thousand, one hundred four".