211000112211121 has 8 divisors (see below), whose sum is σ = 215907669895104. Its totient is φ = 206092580814960.

The previous prime is 211000112211113. The next prime is 211000112211223. The reversal of 211000112211121 is 121112211000112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211000112211121 - 2³ = 211000112211113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211000112211095 and 211000112211104.

It is not an unprimeable number, because it can be changed into a prime (211000112215121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10157340 + ... + 22916626.

It is an arithmetic number, because the mean of its divisors is an integer number (26988458736888).

Almost surely, 2^{211000112211121} is an apocalyptic number.

It is an amenable number.

211000112211121 is a deficient number, since it is larger than the sum of its proper divisors (4907557683983).

211000112211121 is a wasteful number, since it uses less digits than its factorization.

211000112211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143911.

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

Adding to 211000112211121 its reverse (121112211000112), we get a palindrome (332112323211233).

The spelling of 211000112211121 in words is "two hundred eleven trillion, one hundred twelve million, two hundred eleven thousand, one hundred twenty-one".