11221330031310 has 32 divisors (see below), whose sum is σ = 30778505229312. Its totient is φ = 2564875435680.

The previous prime is 11221330031257. The next prime is 11221330031371. The reversal of 11221330031310 is 1313003312211.

It is a happy number.

It is a super-2 number, since 2×11221330031310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26717452246 + ... + 26717452665.

It is an arithmetic number, because the mean of its divisors is an integer number (961828288416).

Almost surely, 2^{11221330031310} is an apocalyptic number.

11221330031310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221330031310 is an abundant number, since it is smaller than the sum of its proper divisors (19557175198002).

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

11221330031310 is a wasteful number, since it uses less digits than its factorization.

11221330031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53434904928.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11221330031310 its reverse (1313003312211), we get a palindrome (12534333343521).

The spelling of 11221330031310 in words is "eleven trillion, two hundred twenty-one billion, three hundred thirty million, thirty-one thousand, three hundred ten".