11020021392 has 40 divisors (see below), whose sum is σ = 29237809216. Its totient is φ = 3574060416.

The previous prime is 11020021379. The next prime is 11020021393. The reversal of 11020021392 is 29312002011.

It is not an unprimeable number, because it can be changed into a prime (11020021393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3100708 + ... + 3104259.

Almost surely, 2^11020021392 is an apocalyptic number.

11020021392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11020021392 is an abundant number, since it is smaller than the sum of its proper divisors (18217787824).

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

11020021392 is a wasteful number, since it uses less digits than its factorization.

11020021392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205015 (or 6205009 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 11020021392 in words is "eleven billion, twenty million, twenty-one thousand, three hundred ninety-two".