211133460450 has 192 divisors, whose sum is σ = 576355253760. Its totient is φ = 50725248000.

The previous prime is 211133460443. The next prime is 211133460463. The reversal of 211133460450 is 54064331112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90265381 + ... + 90267719.

It is an arithmetic number, because the mean of its divisors is an integer number (3001850280).

Almost surely, 2^211133460450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211133460450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288177626880).

211133460450 is an abundant number, since it is smaller than the sum of its proper divisors (365221793310).

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

211133460450 is a wasteful number, since it uses less digits than its factorization.

211133460450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 211133460450 its reverse (54064331112), we get a palindrome (265197791562).

The spelling of 211133460450 in words is "two hundred eleven billion, one hundred thirty-three million, four hundred sixty thousand, four hundred fifty".