11121021310 has 32 divisors (see below), whose sum is σ = 22881735360. Its totient is φ = 3812220672.

The previous prime is 11121021299. The next prime is 11121021311. The reversal of 11121021310 is 1312012111.

It is a happy number.

It is a super-2 number, since 2×11121021310² (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 (11121021311) 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, 495042 + ... + 517018.

It is an arithmetic number, because the mean of its divisors is an integer number (715054230).

Almost surely, 2^11121021310 is an apocalyptic number.

11121021310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121021310 is an abundant number, since it is smaller than the sum of its proper divisors (11760714050).

11121021310 is a wasteful number, since it uses less digits than its factorization.

11121021310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29220.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11121021310 its reverse (1312012111), we get a palindrome (12433033421).

The spelling of 11121021310 in words is "eleven billion, one hundred twenty-one million, twenty-one thousand, three hundred ten".