1100021001211 has 8 divisors (see below), whose sum is σ = 1263182011200. Its totient is φ = 947386508040.

The previous prime is 1100021001199. The next prime is 1100021001217. The reversal of 1100021001211 is 1121001200011.

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 1100021001211 - 2¹¹ = 1100020999163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100021001217) 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, 2631628981 + ... + 2631629398.

It is an arithmetic number, because the mean of its divisors is an integer number (157897751400).

Almost surely, 2^{1100021001211} is an apocalyptic number.

1100021001211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100021001211 is a deficient number, since it is larger than the sum of its proper divisors (163161009989).

1100021001211 is a wasteful number, since it uses less digits than its factorization.

1100021001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263258409.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1100021001211 its reverse (1121001200011), we get a palindrome (2221022201222).

The spelling of 1100021001211 in words is "one trillion, one hundred billion, twenty-one million, one thousand, two hundred eleven".