2122212101201 has 16 divisors (see below), whose sum is σ = 2330991613440. Its totient is φ = 1923992977920.

The previous prime is 2122212101197. The next prime is 2122212101203. The reversal of 2122212101201 is 1021012122212.

It is a cyclic number.

It is not a de Polignac number, because 2122212101201 - 2² = 2122212101197 is a prime.

It is a super-3 number, since 3×2122212101201³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 2122212101201.

It is not an unprimeable number, because it can be changed into a prime (2122212101203) 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, 19215701 + ... + 19325826.

It is an arithmetic number, because the mean of its divisors is an integer number (145686975840).

Almost surely, 2^{2122212101201} is an apocalyptic number.

It is an amenable number.

2122212101201 is a deficient number, since it is larger than the sum of its proper divisors (208779512239).

2122212101201 is a wasteful number, since it uses less digits than its factorization.

2122212101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38541664.

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

Adding to 2122212101201 its reverse (1021012122212), we get a palindrome (3143224223413).

The spelling of 2122212101201 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, one hundred one thousand, two hundred one".