1100221121254 has 16 divisors (see below), whose sum is σ = 1690636854816. Its totient is φ = 536676347200.

The previous prime is 1100221121243. The next prime is 1100221121261. The reversal of 1100221121254 is 4521211220011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2646024 + ... + 3033460.

It is an arithmetic number, because the mean of its divisors is an integer number (105664803426).

Almost surely, 2^{1100221121254} is an apocalyptic number.

1100221121254 is a deficient number, since it is larger than the sum of its proper divisors (590415733562).

1100221121254 is a wasteful number, since it uses less digits than its factorization.

1100221121254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422111.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 1100221121254 its reverse (4521211220011), we get a palindrome (5621432341265).

The spelling of 1100221121254 in words is "one trillion, one hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred fifty-four".