1121000100212 has 24 divisors (see below), whose sum is σ = 1965324379200. Its totient is φ = 559479136320.

The previous prime is 1121000100191. The next prime is 1121000100221. The reversal of 1121000100212 is 2120010001211.

It is a junction number, because it is equal to n+sod(n) for n = 1121000100193 and 1121000100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17509163 + ... + 17573069.

It is an arithmetic number, because the mean of its divisors is an integer number (81888515800).

Almost surely, 2^{1121000100212} is an apocalyptic number.

It is an amenable number.

1121000100212 is a deficient number, since it is larger than the sum of its proper divisors (844324278988).

1121000100212 is a wasteful number, since it uses less digits than its factorization.

1121000100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71831 (or 71829 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1121000100212 its reverse (2120010001211), we get a palindrome (3241010101423).

Subtracting 1121000100212 from its reverse (2120010001211), we obtain a palindrome (999009900999).

The spelling of 1121000100212 in words is "one trillion, one hundred twenty-one billion, one hundred thousand, two hundred twelve".