1100231122 has 4 divisors (see below), whose sum is σ = 1650346686. Its totient is φ = 550115560.

The previous prime is 1100231117. The next prime is 1100231129. The reversal of 1100231122 is 2211320011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1039998001 + 60233121 = 32249^2 + 7761^2 .

It is not an unprimeable number, because it can be changed into a prime (1100231129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275057779 + ... + 275057782.

Almost surely, 2^1100231122 is an apocalyptic number.

1100231122 is a deficient number, since it is larger than the sum of its proper divisors (550115564).

1100231122 is an equidigital number, since it uses as much as digits as its factorization.

1100231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550115563.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1100231122 is about 33169.7320158002. The cubic root of 1100231122 is about 1032.3524081646.

Adding to 1100231122 its reverse (2211320011), we get a palindrome (3311551133).

Subtracting 1100231122 from its reverse (2211320011), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 11002 and 31122, that added together give a palindrome (42124).

The spelling of 1100231122 in words is "one billion, one hundred million, two hundred thirty-one thousand, one hundred twenty-two".