212002022121101 has 8 divisors (see below), whose sum is σ = 214116341120640. Its totient is φ = 209890165930848.

The previous prime is 212002022121089. The next prime is 212002022121133. The reversal of 212002022121101 is 101121220200212.

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 212002022121101 - 2⁶ = 212002022121037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212002022121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002022121151) 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, 615529301 + ... + 615873626.

It is an arithmetic number, because the mean of its divisors is an integer number (26764542640080).

Almost surely, 2^{212002022121101} is an apocalyptic number.

It is an amenable number.

212002022121101 is a deficient number, since it is larger than the sum of its proper divisors (2114318999539).

212002022121101 is a wasteful number, since it uses less digits than its factorization.

212002022121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231404643.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212002022121101 its reverse (101121220200212), we get a palindrome (313123242321313).

The spelling of 212002022121101 in words is "two hundred twelve trillion, two billion, twenty-two million, one hundred twenty-one thousand, one hundred one".