211121100112001 has 8 divisors (see below), whose sum is σ = 213706098119808. Its totient is φ = 208545801910000.

The previous prime is 211121100111947. The next prime is 211121100112009. The reversal of 211121100112001 is 100211001121112.

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 211121100112001 - 2¹⁴ = 211121100095617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211121100112009) 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, 2424907655 + ... + 2424994716.

It is an arithmetic number, because the mean of its divisors is an integer number (26713262264976).

Almost surely, 2^{211121100112001} is an apocalyptic number.

It is an amenable number.

211121100112001 is a deficient number, since it is larger than the sum of its proper divisors (2584998007807).

211121100112001 is a wasteful number, since it uses less digits than its factorization.

211121100112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849902903.

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

Adding to 211121100112001 its reverse (100211001121112), we get a palindrome (311332101233113).

The spelling of 211121100112001 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred million, one hundred twelve thousand, one".