2112311210100 has 216 divisors, whose sum is σ = 7563325291200. Its totient is φ = 445674378240.

The previous prime is 2112311210027. The next prime is 2112311210131. The reversal of 2112311210100 is 10121132112.

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 2112311210100.

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, 2621025 + ... + 3330824.

Almost surely, 2^{2112311210100} is an apocalyptic number.

2112311210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112311210100 is an abundant number, since it is smaller than the sum of its proper divisors (5451014081100).

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

2112311210100 is a wasteful number, since it uses less digits than its factorization.

2112311210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951899 (or 5951879 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2112311210100 its reverse (10121132112), we get a palindrome (2122432342212).

The spelling of 2112311210100 in words is "two trillion, one hundred twelve billion, three hundred eleven million, two hundred ten thousand, one hundred".