211101120201123 has 32 divisors (see below), whose sum is σ = 318378507659520. Its totient is φ = 138219982467840.

The previous prime is 211101120201113. The next prime is 211101120201161. The reversal of 211101120201123 is 321102021101112.

It is a happy number.

211101120201123 is a `hidden beast` number, since 211 + 10 + 1 + 120 + 201 + 123 = 666.

It is not a de Polignac number, because 211101120201123 - 2²² = 211101116006819 is a prime.

It is a super-2 number, since 2×211101120201123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211101120201096 and 211101120201105.

It is not an unprimeable number, because it can be changed into a prime (211101120201113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307304665 + ... + 307990842.

It is an arithmetic number, because the mean of its divisors is an integer number (9949328364360).

Almost surely, 2^{211101120201123} is an apocalyptic number.

211101120201123 is a deficient number, since it is larger than the sum of its proper divisors (107277387458397).

211101120201123 is a wasteful number, since it uses less digits than its factorization.

211101120201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615295744 (or 615295738 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 211101120201123 its reverse (321102021101112), we get a palindrome (532203141302235).

The spelling of 211101120201123 in words is "two hundred eleven trillion, one hundred one billion, one hundred twenty million, two hundred one thousand, one hundred twenty-three".