11020021110 has 96 divisors (see below), whose sum is σ = 34184596320. Its totient is φ = 2518858944.

The previous prime is 11020021043. The next prime is 11020021193. The reversal of 11020021110 is 1112002011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11020021092 and 11020021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 403249 + ... + 429708.

It is an arithmetic number, because the mean of its divisors is an integer number (356089545).

Almost surely, 2^11020021110 is an apocalyptic number.

11020021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11020021110 is an abundant number, since it is smaller than the sum of its proper divisors (23164575210).

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

11020021110 is a wasteful number, since it uses less digits than its factorization.

11020021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832987 (or 832974 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11020021110 its reverse (1112002011), we get a palindrome (12132023121).

The spelling of 11020021110 in words is "eleven billion, twenty million, twenty-one thousand, one hundred ten".