2011101122100 has 72 divisors (see below), whose sum is σ = 6650041050688. Its totient is φ = 459680256000.

The previous prime is 2011101122099. The next prime is 2011101122117. The reversal of 2011101122100 is 12211011102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478831501 + ... + 478835700.

Almost surely, 2^{2011101122100} is an apocalyptic number.

2011101122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011101122100 is an abundant number, since it is smaller than the sum of its proper divisors (4638939928588).

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

2011101122100 is a wasteful number, since it uses less digits than its factorization.

2011101122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957667225 (or 957667218 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011101122100 its reverse (12211011102), we get a palindrome (2023312133202).

The spelling of 2011101122100 in words is "two trillion, eleven billion, one hundred one million, one hundred twenty-two thousand, one hundred".