211000112010121 has 64 divisors (see below), whose sum is σ = 260462451916800. Its totient is φ = 166827626873856.

The previous prime is 211000112010113. The next prime is 211000112010131. The reversal of 211000112010121 is 121010211000112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211000112010121 - 2³ = 211000112010113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211000112010131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12731549791 + ... + 12731566363.

It is an arithmetic number, because the mean of its divisors is an integer number (4069725811200).

Almost surely, 2^{211000112010121} is an apocalyptic number.

It is an amenable number.

211000112010121 is a deficient number, since it is larger than the sum of its proper divisors (49462339906679).

211000112010121 is a wasteful number, since it uses less digits than its factorization.

211000112010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26558.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211000112010121 its reverse (121010211000112), we get a palindrome (332010323010233).

The spelling of 211000112010121 in words is "two hundred eleven trillion, one hundred twelve million, ten thousand, one hundred twenty-one".