2112211120100 has 36 divisors (see below), whose sum is σ = 4583669386800. Its totient is φ = 844852880160.

The previous prime is 2112211120091. The next prime is 2112211120153. The reversal of 2112211120100 is 10211122112.

It is a super-2 number, since 2×2112211120100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2393171 + ... + 3154629.

Almost surely, 2^{2112211120100} is an apocalyptic number.

2112211120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112211120100 is an abundant number, since it is smaller than the sum of its proper divisors (2471458266700).

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

2112211120100 is a wasteful number, since it uses less digits than its factorization.

2112211120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789212 (or 789205 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2112211120100 its reverse (10211122112), we get a palindrome (2122422242212).

The spelling of 2112211120100 in words is "two trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty thousand, one hundred".