2131222030200 has 288 divisors, whose sum is σ = 7474524501600. Its totient is φ = 543180718080.

The previous prime is 2131222030199. The next prime is 2131222030339. The reversal of 2131222030200 is 20302221312.

2131222030200 is a `hidden beast` number, since 213 + 1 + 2 + 220 + 30 + 200 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53344632 + ... + 53384568.

It is an arithmetic number, because the mean of its divisors is an integer number (25953210075).

Almost surely, 2^{2131222030200} is an apocalyptic number.

2131222030200 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 2131222030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3737262250800).

2131222030200 is an abundant number, since it is smaller than the sum of its proper divisors (5343302471400).

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

2131222030200 is a wasteful number, since it uses less digits than its factorization.

2131222030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41271 (or 41259 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2131222030200 its reverse (20302221312), we get a palindrome (2151524251512).

The spelling of 2131222030200 in words is "two trillion, one hundred thirty-one billion, two hundred twenty-two million, thirty thousand, two hundred".