212201100200121 has 8 divisors (see below), whose sum is σ = 283372102897344. Its totient is φ = 141248748818160.

The previous prime is 212201100200113. The next prime is 212201100200123. The reversal of 212201100200121 is 121002001102212.

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

It is not a de Polignac number, because 212201100200121 - 2³ = 212201100200113 is a prime.

It is a super-2 number, since 2×212201100200121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212201100200121.

It is not an unprimeable number, because it can be changed into a prime (212201100200123) 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, 54662826550 + ... + 54662830431.

It is an arithmetic number, because the mean of its divisors is an integer number (35421512862168).

Almost surely, 2^{212201100200121} is an apocalyptic number.

It is an amenable number.

212201100200121 is a deficient number, since it is larger than the sum of its proper divisors (71171002697223).

212201100200121 is a wasteful number, since it uses less digits than its factorization.

212201100200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109325657631.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212201100200121 its reverse (121002001102212), we get a palindrome (333203101302333).

The spelling of 212201100200121 in words is "two hundred twelve trillion, two hundred one billion, one hundred million, two hundred thousand, one hundred twenty-one".