2102210122200 has 96 divisors (see below), whose sum is σ = 6574522842000. Its totient is φ = 555628380160.

The previous prime is 2102210122121. The next prime is 2102210122223. The reversal of 2102210122200 is 22210122012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2102210122200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15435225 + ... + 15570824.

Almost surely, 2^{2102210122200} is an apocalyptic number.

2102210122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102210122200 is an abundant number, since it is smaller than the sum of its proper divisors (4472312719800).

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

2102210122200 is a wasteful number, since it uses less digits than its factorization.

2102210122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31006181 (or 31006172 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2102210122200 its reverse (22210122012), we get a palindrome (2124420244212).

The spelling of 2102210122200 in words is "two trillion, one hundred two billion, two hundred ten million, one hundred twenty-two thousand, two hundred".