11021100030 has 64 divisors (see below), whose sum is σ = 30014945280. Its totient is φ = 2876425632.

The previous prime is 11021100019. The next prime is 11021100047. The reversal of 11021100030 is 3000112011.

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 = 11021099985 and 11021100021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421554 + ... + 446933.

It is an arithmetic number, because the mean of its divisors is an integer number (468983520).

Almost surely, 2^11021100030 is an apocalyptic number.

11021100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021100030 is an abundant number, since it is smaller than the sum of its proper divisors (18993845250).

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

11021100030 is a wasteful number, since it uses less digits than its factorization.

11021100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868550 (or 868544 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11021100030 its reverse (3000112011), we get a palindrome (14021212041).

The spelling of 11021100030 in words is "eleven billion, twenty-one million, one hundred thousand, thirty".