211000021112101 has 16 divisors (see below), whose sum is σ = 235093855772160. Its totient is φ = 188031053810880.

The previous prime is 211000021112093. The next prime is 211000021112191. The reversal of 211000021112101 is 101211120000112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211000021112101 - 2³ = 211000021112093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211000021112191) 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, 29536035 + ... + 35977456.

It is an arithmetic number, because the mean of its divisors is an integer number (14693365985760).

Almost surely, 2^{211000021112101} is an apocalyptic number.

It is an amenable number.

211000021112101 is a deficient number, since it is larger than the sum of its proper divisors (24093834660059).

211000021112101 is a wasteful number, since it uses less digits than its factorization.

211000021112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65522076.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211000021112101 its reverse (101211120000112), we get a palindrome (312211141112213).

The spelling of 211000021112101 in words is "two hundred eleven trillion, twenty-one million, one hundred twelve thousand, one hundred one".