211012001121 has 16 divisors (see below), whose sum is σ = 283246829568. Its totient is φ = 139726146000.

The previous prime is 211012001119. The next prime is 211012001153. The reversal of 211012001121 is 121100210112.

It is not a de Polignac number, because 211012001121 - 2¹ = 211012001119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211012001097 and 211012001106.

It is not an unprimeable number, because it can be changed into a prime (211012009121) 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, 4537216 + ... + 4583486.

It is an arithmetic number, because the mean of its divisors is an integer number (17702926848).

Almost surely, 2^211012001121 is an apocalyptic number.

It is an amenable number.

211012001121 is a deficient number, since it is larger than the sum of its proper divisors (72234828447).

211012001121 is a wasteful number, since it uses less digits than its factorization.

211012001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56492.

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

Adding to 211012001121 its reverse (121100210112), we get a palindrome (332112211233).

The spelling of 211012001121 in words is "two hundred eleven billion, twelve million, one thousand, one hundred twenty-one".