2111200001011 has 4 divisors (see below), whose sum is σ = 2111213769624. Its totient is φ = 2111186232400.

The previous prime is 2111200000919. The next prime is 2111200001033. The reversal of 2111200001011 is 1101000021112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111200001011 - 2³³ = 2102610066419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111200001311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6651685 + ... + 6961846.

It is an arithmetic number, because the mean of its divisors is an integer number (527803442406).

Almost surely, 2^{2111200001011} is an apocalyptic number.

2111200001011 is a deficient number, since it is larger than the sum of its proper divisors (13768613).

2111200001011 is a wasteful number, since it uses less digits than its factorization.

2111200001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13768612.

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

Adding to 2111200001011 its reverse (1101000021112), we get a palindrome (3212200022123).

The spelling of 2111200001011 in words is "two trillion, one hundred eleven billion, two hundred million, one thousand, eleven".