1101102112221 has 8 divisors (see below), whose sum is σ = 1468140997344. Its totient is φ = 734065650960.

The previous prime is 1101102112183. The next prime is 1101102112223. The reversal of 1101102112221 is 1222112011011.

It is a happy number.

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

It is not a de Polignac number, because 1101102112221 - 2⁹ = 1101102111709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101102112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101102112223) 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, 1470870 + ... + 2089416.

It is an arithmetic number, because the mean of its divisors is an integer number (183517624668).

Almost surely, 2^{1101102112221} is an apocalyptic number.

It is an amenable number.

1101102112221 is a deficient number, since it is larger than the sum of its proper divisors (367038885123).

1101102112221 is an equidigital number, since it uses as much as digits as its factorization.

1101102112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211931.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1101102112221 its reverse (1222112011011), we get a palindrome (2323214123232).

The spelling of 1101102112221 in words is "one trillion, one hundred one billion, one hundred two million, one hundred twelve thousand, two hundred twenty-one".