1011314421204 has 96 divisors (see below), whose sum is σ = 2520793968000. Its totient is φ = 314994064896.

The previous prime is 1011314421203. The next prime is 1011314421209. The reversal of 1011314421204 is 4021244131101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011314421203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1321062 + ... + 1941090.

It is an arithmetic number, because the mean of its divisors is an integer number (26258270500).

Almost surely, 2^{1011314421204} 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 1011314421204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260396984000).

1011314421204 is an abundant number, since it is smaller than the sum of its proper divisors (1509479546796).

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

1011314421204 is a wasteful number, since it uses less digits than its factorization.

1011314421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620217 (or 620215 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1011314421204 its reverse (4021244131101), we get a palindrome (5032558552305).

The spelling of 1011314421204 in words is "one trillion, eleven billion, three hundred fourteen million, four hundred twenty-one thousand, two hundred four".