1100231222131 has 16 divisors (see below), whose sum is σ = 1121299472160. Its totient is φ = 1079364451840.

The previous prime is 1100231222059. The next prime is 1100231222177. The reversal of 1100231222131 is 1312221320011.

It is a cyclic number.

It is not a de Polignac number, because 1100231222131 - 2⁷ = 1100231222003 is a prime.

It is a super-2 number, since 2×1100231222131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100231222099 and 1100231222108.

It is not an unprimeable number, because it can be changed into a prime (1100231220131) 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, 11742075 + ... + 11835403.

It is an arithmetic number, because the mean of its divisors is an integer number (70081217010).

Almost surely, 2^{1100231222131} is an apocalyptic number.

1100231222131 is a deficient number, since it is larger than the sum of its proper divisors (21068250029).

1100231222131 is an equidigital number, since it uses as much as digits as its factorization.

1100231222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94406.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1100231222131 its reverse (1312221320011), we get a palindrome (2412452542142).

The spelling of 1100231222131 in words is "one trillion, one hundred billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred thirty-one".