201200210121 has 8 divisors (see below), whose sum is σ = 270379285504. Its totient is φ = 133077304080.

The previous prime is 201200210093. The next prime is 201200210147. The reversal of 201200210121 is 121012002102.

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

It is not a de Polignac number, because 201200210121 - 2⁵ = 201200210089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201200210097 and 201200210106.

It is not an unprimeable number, because it can be changed into a prime (201200210621) 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, 264041890 + ... + 264042651.

It is an arithmetic number, because the mean of its divisors is an integer number (33797410688).

Almost surely, 2^201200210121 is an apocalyptic number.

It is an amenable number.

201200210121 is a deficient number, since it is larger than the sum of its proper divisors (69179075383).

201200210121 is a wasteful number, since it uses less digits than its factorization.

201200210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528084671.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201200210121 its reverse (121012002102), we get a palindrome (322212212223).

The spelling of 201200210121 in words is "two hundred one billion, two hundred million, two hundred ten thousand, one hundred twenty-one".