211121100011212 has 6 divisors (see below), whose sum is σ = 369461925019628. Its totient is φ = 105560550005604.

The previous prime is 211121100011183. The next prime is 211121100011221. The reversal of 211121100011212 is 212110001121112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26390137501398 + ... + 26390137501405.

Almost surely, 2^{211121100011212} is an apocalyptic number.

It is an amenable number.

211121100011212 is a deficient number, since it is larger than the sum of its proper divisors (158340825008416).

211121100011212 is a wasteful number, since it uses less digits than its factorization.

211121100011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52780275002807 (or 52780275002805 counting only the distinct ones).

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

Adding to 211121100011212 its reverse (212110001121112), we get a palindrome (423231101132324).

The spelling of 211121100011212 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred million, eleven thousand, two hundred twelve".