1101222121999 has 8 divisors (see below), whose sum is σ = 1103067828720. Its totient is φ = 1099376945856.

The previous prime is 1101222121997. The next prime is 1101222122017. The reversal of 1101222121999 is 9991212221011.

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 1101222121999 - 2¹ = 1101222121997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101222121997) 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, 4136629 + ... + 4394785.

It is an arithmetic number, because the mean of its divisors is an integer number (137883478590).

Almost surely, 2^{1101222121999} is an apocalyptic number.

1101222121999 is a deficient number, since it is larger than the sum of its proper divisors (1845706721).

1101222121999 is an equidigital number, since it uses as much as digits as its factorization.

1101222121999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265289.

The product of its (nonzero) digits is 11664, while the sum is 40.

It can be divided in two parts, 1101222 and 121999, that added together give a palindrome (1223221).

The spelling of 1101222121999 in words is "one trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, nine hundred ninety-nine".