1011104212104 has 256 divisors, whose sum is σ = 3305219904000. Its totient is φ = 280377262080.

The previous prime is 1011104212087. The next prime is 1011104212133. The reversal of 1011104212104 is 4012124011101.

1011104212104 is a `hidden beast` number, since 10 + 11 + 10 + 421 + 210 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11922202 + ... + 12006710.

It is an arithmetic number, because the mean of its divisors is an integer number (12911015250).

Almost surely, 2^{1011104212104} is an apocalyptic number.

1011104212104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011104212104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652609952000).

1011104212104 is an abundant number, since it is smaller than the sum of its proper divisors (2294115691896).

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

1011104212104 is a wasteful number, since it uses less digits than its factorization.

1011104212104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84765 (or 84755 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1011104212104 its reverse (4012124011101), we get a palindrome (5023228223205).

The spelling of 1011104212104 in words is "one trillion, eleven billion, one hundred four million, two hundred twelve thousand, one hundred four".