1100212331331 has 16 divisors (see below), whose sum is σ = 1484670983040. Its totient is φ = 724614844800.

The previous prime is 1100212331261. The next prime is 1100212331333. The reversal of 1100212331331 is 1331332120011.

It is a happy number.

It is not a de Polignac number, because 1100212331331 - 2⁷ = 1100212331203 is a prime.

It is a super-2 number, since 2×1100212331331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100212331298 and 1100212331307.

It is not an unprimeable number, because it can be changed into a prime (1100212331333) 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, 11860731 + ... + 11953131.

It is an arithmetic number, because the mean of its divisors is an integer number (92791936440).

Almost surely, 2^{1100212331331} is an apocalyptic number.

1100212331331 is a deficient number, since it is larger than the sum of its proper divisors (384458651709).

1100212331331 is an equidigital number, since it uses as much as digits as its factorization.

1100212331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140306.

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

Adding to 1100212331331 its reverse (1331332120011), we get a palindrome (2431544451342).

The spelling of 1100212331331 in words is "one trillion, one hundred billion, two hundred twelve million, three hundred thirty-one thousand, three hundred thirty-one".