1101100222972 has 12 divisors (see below), whose sum is σ = 1944603605560. Its totient is φ = 545499192816.

The previous prime is 1101100222939. The next prime is 1101100222973. The reversal of 1101100222972 is 2792220011011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101100222972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101100222973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262729178 + ... + 1262730049.

Almost surely, 2^{1101100222972} is an apocalyptic number.

It is an amenable number.

1101100222972 is a deficient number, since it is larger than the sum of its proper divisors (843503382588).

1101100222972 is a wasteful number, since it uses less digits than its factorization.

1101100222972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525459340 (or 2525459338 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

Adding to 1101100222972 its reverse (2792220011011), we get a palindrome (3893320233983).

The spelling of 1101100222972 in words is "one trillion, one hundred one billion, one hundred million, two hundred twenty-two thousand, nine hundred seventy-two".