1101021213211 has 8 divisors (see below), whose sum is σ = 1103851828944. Its totient is φ = 1098191020800.

The previous prime is 1101021213209. The next prime is 1101021213217. The reversal of 1101021213211 is 1123121201011.

It is a happy number.

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 1101021213211 - 2¹ = 1101021213209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101021213217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5480440 + ... + 5677786.

It is an arithmetic number, because the mean of its divisors is an integer number (137981478618).

Almost surely, 2^{1101021213211} is an apocalyptic number.

1101021213211 is a deficient number, since it is larger than the sum of its proper divisors (2830615733).

1101021213211 is a wasteful number, since it uses less digits than its factorization.

1101021213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211661.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1101021213211 its reverse (1123121201011), we get a palindrome (2224142414222).

The spelling of 1101021213211 in words is "one trillion, one hundred one billion, twenty-one million, two hundred thirteen thousand, two hundred eleven".