212211100121101 has 8 divisors (see below), whose sum is σ = 214196294894400. Its totient is φ = 210225940782528.

The previous prime is 212211100121093. The next prime is 212211100121149. The reversal of 212211100121101 is 101121001112212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212211100121101 - 2³ = 212211100121093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211100121191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252000 + ... + 20856598.

It is an arithmetic number, because the mean of its divisors is an integer number (26774536861800).

Almost surely, 2^{212211100121101} is an apocalyptic number.

It is an amenable number.

212211100121101 is a deficient number, since it is larger than the sum of its proper divisors (1985194773299).

212211100121101 is a wasteful number, since it uses less digits than its factorization.

212211100121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17717363.

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

Adding to 212211100121101 its reverse (101121001112212), we get a palindrome (313332101233313).

The spelling of 212211100121101 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred million, one hundred twenty-one thousand, one hundred one".