2102231122200 has 144 divisors (see below), whose sum is σ = 7701810456600. Its totient is φ = 509631782400.

The previous prime is 2102231122139. The next prime is 2102231122217. The reversal of 2102231122200 is 22211322012.

2102231122200 is a `hidden beast` number, since 210 + 2 + 231 + 1 + 2 + 220 + 0 = 666.

It is a super-2 number, since 2×2102231122200² (a number of 25 digits) contains 22 as substring.

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 35 ways as a sum of consecutive naturals, for example, 53066845 + ... + 53106444.

Almost surely, 2^{2102231122200} is an apocalyptic number.

2102231122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102231122200 is an abundant number, since it is smaller than the sum of its proper divisors (5599579334400).

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

2102231122200 is a wasteful number, since it uses less digits than its factorization.

2102231122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106173322 (or 106173310 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2102231122200 its reverse (22211322012), we get a palindrome (2124442444212).

The spelling of 2102231122200 in words is "two trillion, one hundred two billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred".