11101221310 has 16 divisors (see below), whose sum is σ = 20047292496. Its totient is φ = 4426023168.

The previous prime is 11101221277. The next prime is 11101221311. The reversal of 11101221310 is 1312210111.

It is a happy number.

It is a super-2 number, since 2×11101221310² (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 (11101221311) 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, 1804947 + ... + 1811086.

It is an arithmetic number, because the mean of its divisors is an integer number (1252955781).

Almost surely, 2^11101221310 is an apocalyptic number.

11101221310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101221310 is a deficient number, since it is larger than the sum of its proper divisors (8946071186).

11101221310 is a wasteful number, since it uses less digits than its factorization.

11101221310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616347.

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

Adding to 11101221310 its reverse (1312210111), we get a palindrome (12413431421).

The spelling of 11101221310 in words is "eleven billion, one hundred one million, two hundred twenty-one thousand, three hundred ten".