11211213310 has 32 divisors (see below), whose sum is σ = 22019224032. Its totient is φ = 4075975680.

The previous prime is 11211213281. The next prime is 11211213317. The reversal of 11211213310 is 1331211211.

It is a happy number.

It is a super-2 number, since 2×11211213310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211213317) 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, 875514 + ... + 888226.

It is an arithmetic number, because the mean of its divisors is an integer number (688100751).

Almost surely, 2^11211213310 is an apocalyptic number.

11211213310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211213310 is a deficient number, since it is larger than the sum of its proper divisors (10808010722).

11211213310 is a wasteful number, since it uses less digits than its factorization.

11211213310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20748.

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

Adding to 11211213310 its reverse (1331211211), we get a palindrome (12542424521).

The spelling of 11211213310 in words is "eleven billion, two hundred eleven million, two hundred thirteen thousand, three hundred ten".