212021112001101 has 16 divisors (see below), whose sum is σ = 304441679652096. Its totient is φ = 130474055359296.

The previous prime is 212021112001091. The next prime is 212021112001129. The reversal of 212021112001101 is 101100211120212.

It is a happy number.

It is not a de Polignac number, because 212021112001101 - 2⁶ = 212021112001037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021112401101) 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, 1104471 + ... + 20621883.

It is an arithmetic number, because the mean of its divisors is an integer number (19027604978256).

Almost surely, 2^{212021112001101} is an apocalyptic number.

It is an amenable number.

212021112001101 is a deficient number, since it is larger than the sum of its proper divisors (92420567650995).

212021112001101 is a wasteful number, since it uses less digits than its factorization.

212021112001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19795972.

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

Adding to 212021112001101 its reverse (101100211120212), we get a palindrome (313121323121313).

The spelling of 212021112001101 in words is "two hundred twelve trillion, twenty-one billion, one hundred twelve million, one thousand, one hundred one".