211210211122001 has 16 divisors (see below), whose sum is σ = 260271560642688. Its totient is φ = 166905319824000.

The previous prime is 211210211121911. The next prime is 211210211122013. The reversal of 211210211122001 is 100221112012112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211210211122001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211210211122061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430870300 + ... + 1431017901.

It is an arithmetic number, because the mean of its divisors is an integer number (16266972540168).

Almost surely, 2^{211210211122001} is an apocalyptic number.

It is an amenable number.

211210211122001 is a deficient number, since it is larger than the sum of its proper divisors (49061349520687).

211210211122001 is a wasteful number, since it uses less digits than its factorization.

211210211122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861889032.

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

Adding to 211210211122001 its reverse (100221112012112), we get a palindrome (311431323134113).

The spelling of 211210211122001 in words is "two hundred eleven trillion, two hundred ten billion, two hundred eleven million, one hundred twenty-two thousand, one".