211210120010001 has 48 divisors (see below), whose sum is σ = 344293542835200. Its totient is φ = 114613507828512.

The previous prime is 211210120009961. The next prime is 211210120010011. The reversal of 211210120010001 is 100010021012112.

It is not a de Polignac number, because 211210120010001 - 2¹³ = 211210120001809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211210120010011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224241261 + ... + 225181178.

It is an arithmetic number, because the mean of its divisors is an integer number (7172782142400).

Almost surely, 2^{211210120010001} is an apocalyptic number.

211210120010001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211210120010001 is a deficient number, since it is larger than the sum of its proper divisors (133083422825199).

211210120010001 is a wasteful number, since it uses less digits than its factorization.

211210120010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449422618 (or 449422611 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211210120010001 its reverse (100010021012112), we get a palindrome (311220141022113).

The spelling of 211210120010001 in words is "two hundred eleven trillion, two hundred ten billion, one hundred twenty million, ten thousand, one".