211420214300 has 72 divisors (see below), whose sum is σ = 484933181040. Its totient is φ = 79784524800.

The previous prime is 211420214297. The next prime is 211420214309. The reversal of 211420214300 is 3412024112.

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 (211420214309) 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, 227042 + ... + 688758.

It is an arithmetic number, because the mean of its divisors is an integer number (6735183070).

Almost surely, 2^211420214300 is an apocalyptic number.

211420214300 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 211420214300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242466590520).

211420214300 is an abundant number, since it is smaller than the sum of its proper divisors (273512966740).

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

211420214300 is a wasteful number, since it uses less digits than its factorization.

211420214300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461991 (or 461984 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211420214300 its reverse (3412024112), we get a palindrome (214832238412).

The spelling of 211420214300 in words is "two hundred eleven billion, four hundred twenty million, two hundred fourteen thousand, three hundred".