2111121100200 has 192 divisors, whose sum is σ = 7563440016000. Its totient is φ = 477120061440.

The previous prime is 2111121100163. The next prime is 2111121100223. The reversal of 2111121100200 is 20011211112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2450065 + ... + 3197664.

It is an arithmetic number, because the mean of its divisors is an integer number (39392916750).

Almost surely, 2^{2111121100200} is an apocalyptic number.

2111121100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111121100200 is an abundant number, since it is smaller than the sum of its proper divisors (5452318915800).

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

2111121100200 is a wasteful number, since it uses less digits than its factorization.

2111121100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647844 (or 5647835 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2111121100200 its reverse (20011211112), we get a palindrome (2131132311312).

The spelling of 2111121100200 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, one hundred thousand, two hundred".