211453030104 has 128 divisors (see below), whose sum is σ = 546686131200. Its totient is φ = 68114027520.

The previous prime is 211453030091. The next prime is 211453030141. The reversal of 211453030104 is 401030354112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148595937 + ... + 148597359.

It is an arithmetic number, because the mean of its divisors is an integer number (4270985400).

Almost surely, 2^211453030104 is an apocalyptic number.

211453030104 is a gapful number since it is divisible by the number (24) 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 211453030104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273343065600).

211453030104 is an abundant number, since it is smaller than the sum of its proper divisors (335233101096).

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

211453030104 is a wasteful number, since it uses less digits than its factorization.

211453030104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 211453030104 its reverse (401030354112), we get a palindrome (612483384216).

The spelling of 211453030104 in words is "two hundred eleven billion, four hundred fifty-three million, thirty thousand, one hundred four".