1101100100221 has 8 divisors (see below), whose sum is σ = 1201236087744. Its totient is φ = 1000970109120.

The previous prime is 1101100100189. The next prime is 1101100100251. The reversal of 1101100100221 is 1220010011011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1101100100221 - 2⁵ = 1101100100189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101100100198 and 1101100100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101100100251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110780 + ... + 1853653.

It is an arithmetic number, because the mean of its divisors is an integer number (150154510968).

Almost surely, 2^{1101100100221} is an apocalyptic number.

1101100100221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101100100221 is a deficient number, since it is larger than the sum of its proper divisors (100135987523).

1101100100221 is a wasteful number, since it uses less digits than its factorization.

1101100100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998211.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1101100100221 its reverse (1220010011011), we get a palindrome (2321110111232).

The spelling of 1101100100221 in words is "one trillion, one hundred one billion, one hundred million, one hundred thousand, two hundred twenty-one".