211122131001 has 16 divisors (see below), whose sum is σ = 298550474880. Its totient is φ = 132421576320.

The previous prime is 211122130963. The next prime is 211122131009. The reversal of 211122131001 is 100131221112.

It is not a de Polignac number, because 211122131001 - 2²¹ = 211120033849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211122131009) 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 15 ways as a sum of consecutive naturals, for example, 25075636 + ... + 25084053.

It is an arithmetic number, because the mean of its divisors is an integer number (18659404680).

Almost surely, 2^211122131001 is an apocalyptic number.

It is an amenable number.

211122131001 is a deficient number, since it is larger than the sum of its proper divisors (87428343879).

211122131001 is a wasteful number, since it uses less digits than its factorization.

211122131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50159776.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 211122131001 its reverse (100131221112), we get a palindrome (311253352113).

The spelling of 211122131001 in words is "two hundred eleven billion, one hundred twenty-two million, one hundred thirty-one thousand, one".