210121100011112 has 32 divisors (see below), whose sum is σ = 420153278731200. Its totient is φ = 98169147012864.

The previous prime is 210121100010989. The next prime is 210121100011157. The reversal of 210121100011112 is 211110001121012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5557564148 + ... + 5557601955.

It is an arithmetic number, because the mean of its divisors is an integer number (13129789960350).

Almost surely, 2^{210121100011112} is an apocalyptic number.

It is an amenable number.

210121100011112 is a deficient number, since it is larger than the sum of its proper divisors (210032178720088).

210121100011112 is a wasteful number, since it uses less digits than its factorization.

210121100011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115166265 (or 11115166261 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 210121100011112 its reverse (211110001121012), we get a palindrome (421231101132124).

The spelling of 210121100011112 in words is "two hundred ten trillion, one hundred twenty-one billion, one hundred million, eleven thousand, one hundred twelve".