11023021420 has 48 divisors (see below), whose sum is σ = 23272226208. Its totient is φ = 4385664000.

The previous prime is 11023021411. The next prime is 11023021453. The reversal of 11023021420 is 2412032011.

It is a junction number, because it is equal to n+sod(n) for n = 11023021394 and 11023021403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6510094 + ... + 6511786.

It is an arithmetic number, because the mean of its divisors is an integer number (484838046).

Almost surely, 2^11023021420 is an apocalyptic number.

11023021420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11023021420 is an abundant number, since it is smaller than the sum of its proper divisors (12249204788).

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

11023021420 is a wasteful number, since it uses less digits than its factorization.

11023021420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250 (or 3248 counting only the distinct ones).

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

Adding to 11023021420 its reverse (2412032011), we get a palindrome (13435053431).

The spelling of 11023021420 in words is "eleven billion, twenty-three million, twenty-one thousand, four hundred twenty".