211120201211001 has 32 divisors (see below), whose sum is σ = 313459737919488. Its totient is φ = 125710415550720.

The previous prime is 211120201210973. The next prime is 211120201211009. The reversal of 211120201211001 is 100112102021112.

It is a happy number.

It is not a de Polignac number, because 211120201211001 - 2⁵ = 211120201210969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211120201211009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708445995 + ... + 708743936.

It is an arithmetic number, because the mean of its divisors is an integer number (9795616809984).

Almost surely, 2^{211120201211001} is an apocalyptic number.

It is an amenable number.

211120201211001 is a deficient number, since it is larger than the sum of its proper divisors (102339536708487).

211120201211001 is a wasteful number, since it uses less digits than its factorization.

211120201211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417190101.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211120201211001 its reverse (100112102021112), we get a palindrome (311232303232113).

The spelling of 211120201211001 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred one million, two hundred eleven thousand, one".