1100212233231 has 16 divisors (see below), whose sum is σ = 1555196837888. Its totient is φ = 690630170400.

The previous prime is 1100212233223. The next prime is 1100212233319. The reversal of 1100212233231 is 1323322120011.

It is not a de Polignac number, because 1100212233231 - 2³ = 1100212233223 is a prime.

It is a super-2 number, since 2×1100212233231² (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 = 1100212233198 and 1100212233207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100212237231) 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, 159864655 + ... + 159871536.

It is an arithmetic number, because the mean of its divisors is an integer number (97199802368).

Almost surely, 2^{1100212233231} is an apocalyptic number.

1100212233231 is a deficient number, since it is larger than the sum of its proper divisors (454984604657).

1100212233231 is a wasteful number, since it uses less digits than its factorization.

1100212233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319736262.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1100212233231 its reverse (1323322120011), we get a palindrome (2423534353242).

The spelling of 1100212233231 in words is "one trillion, one hundred billion, two hundred twelve million, two hundred thirty-three thousand, two hundred thirty-one".