2211010011100 has 72 divisors (see below), whose sum is σ = 5239478901888. Its totient is φ = 803171812800.

The previous prime is 2211010011059. The next prime is 2211010011131. The reversal of 2211010011100 is 11100101122.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24399 + ... + 2103001.

It is an arithmetic number, because the mean of its divisors is an integer number (72770540304).

Almost surely, 2^{2211010011100} is an apocalyptic number.

2211010011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211010011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2619739450944).

2211010011100 is an abundant number, since it is smaller than the sum of its proper divisors (3028468890788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211010011100 is a wasteful number, since it uses less digits than its factorization.

2211010011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079595 (or 2079588 counting only the distinct ones).

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

Adding to 2211010011100 its reverse (11100101122), we get a palindrome (2222110112222).

The spelling of 2211010011100 in words is "two trillion, two hundred eleven billion, ten million, eleven thousand, one hundred".