211012122111201 has 12 divisors (see below), whose sum is σ = 304795507145428. Its totient is φ = 140674646696544.

The previous prime is 211012122111151. The next prime is 211012122111223. The reversal of 211012122111201 is 102111221210112.

It is a happy number.

211012122111201 is a `hidden beast` number, since 2 + 110 + 121 + 221 + 11 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40171511610000 + 170840610501201 = 6338100^2 + 13070601^2 .

It is not a de Polignac number, because 211012122111201 - 2¹⁸ = 211012121849057 is a prime.

It is a super-2 number, since 2×211012122111201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211012122111601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6042531 + ... + 21413463.

Almost surely, 2^{211012122111201} is an apocalyptic number.

It is an amenable number.

211012122111201 is a deficient number, since it is larger than the sum of its proper divisors (93783385034227).

211012122111201 is a wasteful number, since it uses less digits than its factorization.

211012122111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16896272 (or 16896269 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 211012122111201 its reverse (102111221210112), we get a palindrome (313123343321313).

The spelling of 211012122111201 in words is "two hundred eleven trillion, twelve billion, one hundred twenty-two million, one hundred eleven thousand, two hundred one".