11211311030 has 16 divisors (see below), whose sum is σ = 20223581040. Its totient is φ = 4474919712.

The previous prime is 11211311021. The next prime is 11211311053. The reversal of 11211311030 is 3011311211.

It is a happy number.

It is a super-2 number, since 2×11211311030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11211310996 and 11211311014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195685 + ... + 1205024.

It is an arithmetic number, because the mean of its divisors is an integer number (1263973815).

Almost surely, 2^11211311030 is an apocalyptic number.

11211311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211311030 is a deficient number, since it is larger than the sum of its proper divisors (9012270010).

11211311030 is a wasteful number, since it uses less digits than its factorization.

11211311030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401183.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11211311030 its reverse (3011311211), we get a palindrome (14222622241).

The spelling of 11211311030 in words is "eleven billion, two hundred eleven million, three hundred eleven thousand, thirty".