212100210211101 has 24 divisors (see below), whose sum is σ = 300818026865664. Its totient is φ = 132903239797440.

The previous prime is 212100210211073. The next prime is 212100210211117. The reversal of 212100210211101 is 101112012001212.

It is a happy number.

It is not a de Polignac number, because 212100210211101 - 2⁶ = 212100210211037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100210211501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 770906040 + ... + 771181121.

It is an arithmetic number, because the mean of its divisors is an integer number (12534084452736).

Almost surely, 2^{212100210211101} is an apocalyptic number.

It is an amenable number.

212100210211101 is a deficient number, since it is larger than the sum of its proper divisors (88717816654563).

212100210211101 is a wasteful number, since it uses less digits than its factorization.

212100210211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542087329 (or 1542087310 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212100210211101 its reverse (101112012001212), we get a palindrome (313212222212313).

The spelling of 212100210211101 in words is "two hundred twelve trillion, one hundred billion, two hundred ten million, two hundred eleven thousand, one hundred one".