201121222010210 has 32 divisors (see below), whose sum is σ = 365288851801152. Its totient is φ = 79724521874880.

The previous prime is 201121222010183. The next prime is 201121222010243. The reversal of 201121222010210 is 12010222121102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177225821 + ... + 178357040.

It is an arithmetic number, because the mean of its divisors is an integer number (11415276618786).

Almost surely, 2^{201121222010210} is an apocalyptic number.

201121222010210 is a deficient number, since it is larger than the sum of its proper divisors (164167629790942).

201121222010210 is a wasteful number, since it uses less digits than its factorization.

201121222010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355583378.

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

Adding to 201121222010210 its reverse (12010222121102), we get a palindrome (213131444131312).

The spelling of 201121222010210 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty-two million, ten thousand, two hundred ten".