2011022222100 has 36 divisors (see below), whose sum is σ = 5818557630144. Its totient is φ = 536272592480.

The previous prime is 2011022222089. The next prime is 2011022222107. The reversal of 2011022222100 is 12222201102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2011022222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011022222107) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3351703404 + ... + 3351704003.

Almost surely, 2^{2011022222100} is an apocalyptic number.

2011022222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011022222100 is an abundant number, since it is smaller than the sum of its proper divisors (3807535408044).

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

2011022222100 is a wasteful number, since it uses less digits than its factorization.

2011022222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703407424 (or 6703407417 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2011022222100 its reverse (12222201102), we get a palindrome (2023244423202).

The spelling of 2011022222100 in words is "two trillion, eleven billion, twenty-two million, two hundred twenty-two thousand, one hundred".