2100122010200 has 24 divisors (see below), whose sum is σ = 4882783674180. Its totient is φ = 840048804000.

The previous prime is 2100122010109. The next prime is 2100122010227. The reversal of 2100122010200 is 20102210012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5250304826 + ... + 5250305225.

Almost surely, 2^{2100122010200} is an apocalyptic number.

2100122010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100122010200 is an abundant number, since it is smaller than the sum of its proper divisors (2782661663980).

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

2100122010200 is a wasteful number, since it uses less digits than its factorization.

2100122010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500610067 (or 10500610058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100122010200 its reverse (20102210012), we get a palindrome (2120224220212).

The spelling of 2100122010200 in words is "two trillion, one hundred billion, one hundred twenty-two million, ten thousand, two hundred".