1100012110221 has 16 divisors (see below), whose sum is σ = 1507546734848. Its totient is φ = 712941652800.

The previous prime is 1100012110213. The next prime is 1100012110243. The reversal of 1100012110221 is 1220112100011.

It is not a de Polignac number, because 1100012110221 - 2³ = 1100012110213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100012110197 and 1100012110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100012110261) 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, 3888550 + ... + 4161831.

It is an arithmetic number, because the mean of its divisors is an integer number (94221670928).

Almost surely, 2^{1100012110221} is an apocalyptic number.

It is an amenable number.

1100012110221 is a deficient number, since it is larger than the sum of its proper divisors (407534624627).

1100012110221 is a wasteful number, since it uses less digits than its factorization.

1100012110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051652.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100012110221 its reverse (1220112100011), we get a palindrome (2320124210232).

It can be divided in two parts, 110001 and 2110221, that added together give a palindrome (2220222).

The spelling of 1100012110221 in words is "one trillion, one hundred billion, twelve million, one hundred ten thousand, two hundred twenty-one".