1100100020211 has 24 divisors (see below), whose sum is σ = 1650379711344. Its totient is φ = 732290375520.

The previous prime is 1100100020191. The next prime is 1100100020233. The reversal of 1100100020211 is 1120200010011.

It is a happy number.

It is not a de Polignac number, because 1100100020211 - 2⁹ = 1100100019699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1100100020193 and 1100100020202.

It is not an unprimeable number, because it can be changed into a prime (1100100120211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3263856 + ... + 3585101.

It is an arithmetic number, because the mean of its divisors is an integer number (68765821306).

Almost surely, 2^{1100100020211} is an apocalyptic number.

1100100020211 is a deficient number, since it is larger than the sum of its proper divisors (550279691133).

1100100020211 is an frugal number, since it uses more digits than its factorization.

1100100020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849633 (or 6849621 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1100100020211 its reverse (1120200010011), we get a palindrome (2220300030222).

The spelling of 1100100020211 in words is "one trillion, one hundred billion, one hundred million, twenty thousand, two hundred eleven".