213221303010 has 192 divisors, whose sum is σ = 571399920000. Its totient is φ = 55143244800.

The previous prime is 213221302999. The next prime is 213221303033. The reversal of 213221303010 is 10303122312.

213221303010 is a `hidden beast` number, since 213 + 22 + 130 + 301 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 203260966 + ... + 203262014.

It is an arithmetic number, because the mean of its divisors is an integer number (2976041250).

Almost surely, 2^213221303010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213221303010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285699960000).

213221303010 is an abundant number, since it is smaller than the sum of its proper divisors (358178616990).

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

213221303010 is a wasteful number, since it uses less digits than its factorization.

213221303010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213221303010 its reverse (10303122312), we get a palindrome (223524425322).

The spelling of 213221303010 in words is "two hundred thirteen billion, two hundred twenty-one million, three hundred three thousand, ten".