212200222201121 has 32 divisors (see below), whose sum is σ = 267230440279296. Its totient is φ = 163683228960000.

The previous prime is 212200222201109. The next prime is 212200222201129. The reversal of 212200222201121 is 121102222002212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212200222201121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212200222201093 and 212200222201102.

It is not an unprimeable number, because it can be changed into a prime (212200222201129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39312671 + ... + 44383403.

It is an arithmetic number, because the mean of its divisors is an integer number (8350951258728).

Almost surely, 2^{212200222201121} is an apocalyptic number.

It is an amenable number.

212200222201121 is a deficient number, since it is larger than the sum of its proper divisors (55030218078175).

212200222201121 is a wasteful number, since it uses less digits than its factorization.

212200222201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076233.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212200222201121 its reverse (121102222002212), we get a palindrome (333302444203333).

The spelling of 212200222201121 in words is "two hundred twelve trillion, two hundred billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty-one".