1100021000211 has 96 divisors (see below), whose sum is σ = 1899159461888. Its totient is φ = 600426328320.

The previous prime is 1100021000201. The next prime is 1100021000231. The reversal of 1100021000211 is 1120001200011.

It is a happy number.

It is not a de Polignac number, because 1100021000211 - 2²⁶ = 1099953891347 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100021000193 and 1100021000202.

It is not an unprimeable number, because it can be changed into a prime (1100021000201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77771406 + ... + 77785548.

Almost surely, 2^{1100021000211} is an apocalyptic number.

1100021000211 is a deficient number, since it is larger than the sum of its proper divisors (799138461677).

1100021000211 is a wasteful number, since it uses less digits than its factorization.

1100021000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14801 (or 14798 counting only the distinct ones).

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

Adding to 1100021000211 its reverse (1120001200011), we get a palindrome (2220022200222).

The spelling of 1100021000211 in words is "one trillion, one hundred billion, twenty-one million, two hundred eleven", and thus it is an aban number.