11021290 has 32 divisors (see below), whose sum is σ = 22970880. Its totient is φ = 3729024.

The previous prime is 11021281. The next prime is 11021291. The reversal of 11021290 is 9212011.

11021290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (11021291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4534 + ... + 6526.

It is an arithmetic number, because the mean of its divisors is an integer number (717840).

Almost surely, 2^11021290 is an apocalyptic number.

11021290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021290 is an abundant number, since it is smaller than the sum of its proper divisors (11949590).

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

11021290 is a wasteful number, since it uses less digits than its factorization.

11021290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 11021290 is about 3319.8328271164. The cubic root of 11021290 is about 222.5413970022.

It can be divided in two parts, 11021 and 290, that added together give a palindrome (11311).

The spelling of 11021290 in words is "eleven million, twenty-one thousand, two hundred ninety".