210111121111012 has 72 divisors (see below), whose sum is σ = 408231318289536. Its totient is φ = 94543311720000.

The previous prime is 210111121111009. The next prime is 210111121111051.

210111121111012 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288198187 + ... + 288926317.

It is an arithmetic number, because the mean of its divisors is an integer number (5669879420688).

Almost surely, 2^{210111121111012} is an apocalyptic number.

210111121111012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210111121111012 is a deficient number, since it is larger than the sum of its proper divisors (198120197178524).

210111121111012 is a wasteful number, since it uses less digits than its factorization.

210111121111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734161 (or 734148 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

The spelling of 210111121111012 in words is "two hundred ten trillion, one hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, twelve".