1011434022428 has 24 divisors (see below), whose sum is σ = 1780872654288. Its totient is φ = 502615339776.

The previous prime is 1011434022427. The next prime is 1011434022433. The reversal of 1011434022428 is 8242204341101.

It is a junction number, because it is equal to n+sod(n) for n = 1011434022394 and 1011434022403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011434022427) 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, 1702475 + ... + 2218397.

It is an arithmetic number, because the mean of its divisors is an integer number (74203027262).

Almost surely, 2^{1011434022428} is an apocalyptic number.

It is an amenable number.

1011434022428 is a deficient number, since it is larger than the sum of its proper divisors (769438631860).

1011434022428 is a wasteful number, since it uses less digits than its factorization.

1011434022428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518933 (or 518931 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 1011434022428 its reverse (8242204341101), we get a palindrome (9253638363529).

The spelling of 1011434022428 in words is "one trillion, eleven billion, four hundred thirty-four million, twenty-two thousand, four hundred twenty-eight".