211033423100 has 72 divisors (see below), whose sum is σ = 471394235088. Its totient is φ = 81966643200.

The previous prime is 211033423021. The next prime is 211033423103. The reversal of 211033423100 is 1324330112.

211033423100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211033423100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211033423103) 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 23 ways as a sum of consecutive naturals, for example, 308855 + ... + 719345.

It is an arithmetic number, because the mean of its divisors is an integer number (6547142154).

Almost surely, 2^211033423100 is an apocalyptic number.

211033423100 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 211033423100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235697117544).

211033423100 is an abundant number, since it is smaller than the sum of its proper divisors (260360811988).

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

211033423100 is a wasteful number, since it uses less digits than its factorization.

211033423100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410655 (or 410648 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211033423100 its reverse (1324330112), we get a palindrome (212357753212).

The spelling of 211033423100 in words is "two hundred eleven billion, thirty-three million, four hundred twenty-three thousand, one hundred".