2011220010100 has 72 divisors (see below), whose sum is σ = 4997984983488. Its totient is φ = 688156627200.

The previous prime is 2011220010017. The next prime is 2011220010113. The reversal of 2011220010100 is 10100221102.

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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2582137 + ... + 3269536.

It is an arithmetic number, because the mean of its divisors is an integer number (69416458104).

Almost surely, 2^{2011220010100} is an apocalyptic number.

2011220010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011220010100 is an abundant number, since it is smaller than the sum of its proper divisors (2986764973388).

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

2011220010100 is a wasteful number, since it uses less digits than its factorization.

2011220010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852185 (or 5852178 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2011220010100 its reverse (10100221102), we get a palindrome (2021320231202).

The spelling of 2011220010100 in words is "two trillion, eleven billion, two hundred twenty million, ten thousand, one hundred".