211123013101 has 16 divisors (see below), whose sum is σ = 283465865088. Its totient is φ = 151856712000.

The previous prime is 211123013099. The next prime is 211123013111. The reversal of 211123013101 is 101310321112.

It is a happy number.

It is not a de Polignac number, because 211123013101 - 2¹ = 211123013099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211123013111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105455050 + ... + 105457051.

It is an arithmetic number, because the mean of its divisors is an integer number (17716616568).

Almost surely, 2^211123013101 is an apocalyptic number.

It is an amenable number.

211123013101 is a deficient number, since it is larger than the sum of its proper divisors (72342851987).

211123013101 is a wasteful number, since it uses less digits than its factorization.

211123013101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210912132.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 211123013101 its reverse (101310321112), we get a palindrome (312433334213).

The spelling of 211123013101 in words is "two hundred eleven billion, one hundred twenty-three million, thirteen thousand, one hundred one".