201121000221210 has 16 divisors (see below), whose sum is σ = 482690400530976. Its totient is φ = 53632266725648.

The previous prime is 201121000221199. The next prime is 201121000221221. The reversal of 201121000221210 is 12122000121102.

201121000221210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201121000221199) and next prime (201121000221221).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201121000221210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3352016670324 + ... + 3352016670383.

It is an arithmetic number, because the mean of its divisors is an integer number (30168150033186).

Almost surely, 2^{201121000221210} is an apocalyptic number.

201121000221210 is an abundant number, since it is smaller than the sum of its proper divisors (281569400309766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201121000221210 is a wasteful number, since it uses less digits than its factorization.

201121000221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704033340717.

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

Adding to 201121000221210 its reverse (12122000121102), we get a palindrome (213243000342312).

The spelling of 201121000221210 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty-one thousand, two hundred ten".