211211212102001 has 8 divisors (see below), whose sum is σ = 211749809846400. Its totient is φ = 210673085369472.

The previous prime is 211211212101959. The next prime is 211211212102067. The reversal of 211211212102001 is 100201212112112.

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 211211212102001 - 2¹⁴ = 211211212085617 is a prime.

It is a super-2 number, since 2×211211212102001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211211212102201) 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, 116854976 + ... + 118648673.

It is an arithmetic number, because the mean of its divisors is an integer number (26468726230800).

Almost surely, 2^{211211212102001} is an apocalyptic number.

It is an amenable number.

211211212102001 is a deficient number, since it is larger than the sum of its proper divisors (538597744399).

211211212102001 is a wasteful number, since it uses less digits than its factorization.

211211212102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235505935.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211211212102001 its reverse (100201212112112), we get a palindrome (311412424214113).

It can be divided in two parts, 211211 and 212102001, that added together give a palindrome (212313212).

The spelling of 211211212102001 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred twelve million, one hundred two thousand, one".