211001211201 has 64 divisors (see below), whose sum is σ = 326898374400. Its totient is φ = 119642726400.

The previous prime is 211001211199. The next prime is 211001211227. The reversal of 211001211201 is 102112100112.

It is not a de Polignac number, because 211001211201 - 2¹ = 211001211199 is a prime.

It is a super-2 number, since 2×211001211201² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211001211301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142471381 + ... + 142472861.

It is an arithmetic number, because the mean of its divisors is an integer number (5107787100).

Almost surely, 2^211001211201 is an apocalyptic number.

It is an amenable number.

211001211201 is a deficient number, since it is larger than the sum of its proper divisors (115897163199).

211001211201 is a wasteful number, since it uses less digits than its factorization.

211001211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850.

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

Adding to 211001211201 its reverse (102112100112), we get a palindrome (313113311313).

The spelling of 211001211201 in words is "two hundred eleven billion, one million, two hundred eleven thousand, two hundred one".