2011423452100 has 18 divisors (see below), whose sum is σ = 4364788891274. Its totient is φ = 804569380800.

The previous prime is 2011423452083. The next prime is 2011423452151. The reversal of 2011423452100 is 12543241102.

It can be written as a sum of positive squares in 3 ways, for example, as 380679128064 + 1630744324036 = 616992^2 + 1277006^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 5 ways as a sum of consecutive naturals, for example, 10057117161 + ... + 10057117360.

Almost surely, 2^{2011423452100} is an apocalyptic number.

2011423452100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011423452100 is an abundant number, since it is smaller than the sum of its proper divisors (2353365439174).

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

2011423452100 is a wasteful number, since it uses less digits than its factorization.

2011423452100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20114234535 (or 20114234528 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2011423452100 its reverse (12543241102), we get a palindrome (2023966693202).

The spelling of 2011423452100 in words is "two trillion, eleven billion, four hundred twenty-three million, four hundred fifty-two thousand, one hundred".