201222121120210 has 32 divisors (see below), whose sum is σ = 367359550272000. Its totient is φ = 79349662687680.

The previous prime is 201222121120183. The next prime is 201222121120217. The reversal of 201222121120210 is 12021121222102.

It is not an unprimeable number, because it can be changed into a prime (201222121120217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463620906 + ... + 464054725.

It is an arithmetic number, because the mean of its divisors is an integer number (11479985946000).

Almost surely, 2^{201222121120210} is an apocalyptic number.

201222121120210 is a deficient number, since it is larger than the sum of its proper divisors (166137429151790).

201222121120210 is a wasteful number, since it uses less digits than its factorization.

201222121120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927675946.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201222121120210 its reverse (12021121222102), we get a palindrome (213243242342312).

The spelling of 201222121120210 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred ten".