11212110340 has 24 divisors (see below), whose sum is σ = 23555347200. Its totient is φ = 4482955488.

The previous prime is 11212110331. The next prime is 11212110347. The reversal of 11212110340 is 4301121211.

It is a super-2 number, since 2×11212110340² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212110347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68862 + ... + 164821.

It is an arithmetic number, because the mean of its divisors is an integer number (981472800).

Almost surely, 2^11212110340 is an apocalyptic number.

11212110340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212110340 is an abundant number, since it is smaller than the sum of its proper divisors (12343236860).

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

11212110340 is a wasteful number, since it uses less digits than its factorization.

11212110340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236091 (or 236089 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11212110340 its reverse (4301121211), we get a palindrome (15513231551).

The spelling of 11212110340 in words is "eleven billion, two hundred twelve million, one hundred ten thousand, three hundred forty".