211014012550 has 48 divisors (see below), whose sum is σ = 433586534400. Its totient is φ = 75761056800.

The previous prime is 211014012523. The next prime is 211014012557. The reversal of 211014012550 is 55210410112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211014012557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2384790 + ... + 2471689.

It is an arithmetic number, because the mean of its divisors is an integer number (9033052800).

Almost surely, 2^211014012550 is an apocalyptic number.

211014012550 is an abundant number, since it is smaller than the sum of its proper divisors (222572521850).

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

211014012550 is a wasteful number, since it uses less digits than its factorization.

211014012550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856581 (or 4856576 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 211014012550 its reverse (55210410112), we get a palindrome (266224422662).

The spelling of 211014012550 in words is "two hundred eleven billion, fourteen million, twelve thousand, five hundred fifty".