1100102211221 has 8 divisors (see below), whose sum is σ = 1184816085600. Its totient is φ = 1015401283632.

The previous prime is 1100102211191. The next prime is 1100102211253. The reversal of 1100102211221 is 1221122010011.

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 1100102211221 - 2³⁴ = 1082922342037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100102211196 and 1100102211205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100102211281) 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, 3059855 + ... + 3400428.

It is an arithmetic number, because the mean of its divisors is an integer number (148102010700).

Almost surely, 2^{1100102211221} is an apocalyptic number.

It is an amenable number.

1100102211221 is a deficient number, since it is larger than the sum of its proper divisors (84713874379).

1100102211221 is a wasteful number, since it uses less digits than its factorization.

1100102211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473395.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1100102211221 its reverse (1221122010011), we get a palindrome (2321224221232).

The spelling of 1100102211221 in words is "one trillion, one hundred billion, one hundred two million, two hundred eleven thousand, two hundred twenty-one".