11022131420 has 36 divisors (see below), whose sum is σ = 24428845224. Its totient is φ = 4176804960.

The previous prime is 11022131399. The next prime is 11022131423. The reversal of 11022131420 is 2413122011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022131423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756086 + ... + 770525.

It is an arithmetic number, because the mean of its divisors is an integer number (678579034).

Almost surely, 2^11022131420 is an apocalyptic number.

11022131420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022131420 is an abundant number, since it is smaller than the sum of its proper divisors (13406713804).

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

11022131420 is a wasteful number, since it uses less digits than its factorization.

11022131420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526658 (or 1526637 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11022131420 its reverse (2413122011), we get a palindrome (13435253431).

The spelling of 11022131420 in words is "eleven billion, twenty-two million, one hundred thirty-one thousand, four hundred twenty".