11032042021 has 24 divisors (see below), whose sum is σ = 14924481152. Its totient is φ = 7935127200.

The previous prime is 11032041997. The next prime is 11032042057. The reversal of 11032042021 is 12024023011.

It is not a de Polignac number, because 11032042021 - 2¹¹ = 11032039973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11032041986 and 11032042004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032022021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489945 + ... + 511966.

Almost surely, 2^11032042021 is an apocalyptic number.

11032042021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11032042021 is a deficient number, since it is larger than the sum of its proper divisors (3892439131).

11032042021 is a wasteful number, since it uses less digits than its factorization.

11032042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001953 (or 1001942 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11032042021 its reverse (12024023011), we get a palindrome (23056065032).

The spelling of 11032042021 in words is "eleven billion, thirty-two million, forty-two thousand, twenty-one".