11021390 has 16 divisors (see below), whose sum is σ = 19876320. Its totient is φ = 4400160.

The previous prime is 11021383. The next prime is 11021407. The reversal of 11021390 is 9312011.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9776 + ... + 10844.

It is an arithmetic number, because the mean of its divisors is an integer number (1242270).

Almost surely, 2^11021390 is an apocalyptic number.

11021390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021390 is a deficient number, since it is larger than the sum of its proper divisors (8854930).

11021390 is a wasteful number, since it uses less digits than its factorization.

11021390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 11021390 is about 3319.8478880816. The cubic root of 11021390 is about 222.5420700654.

It can be divided in two parts, 11021 and 390, that added together give a palindrome (11411).

The spelling of 11021390 in words is "eleven million, twenty-one thousand, three hundred ninety".