201012220121202 has 64 divisors (see below), whose sum is σ = 510562960646400. Its totient is φ = 57425792711040.

The previous prime is 201012220121081. The next prime is 201012220121203. The reversal of 201012220121202 is 202121022210102.

It is a happy number.

201012220121202 is a `hidden beast` number, since 20 + 101 + 2 + 220 + 121 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201012220121203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25561177 + ... + 32486892.

It is an arithmetic number, because the mean of its divisors is an integer number (7977546260100).

Almost surely, 2^{201012220121202} is an apocalyptic number.

201012220121202 is an abundant number, since it is smaller than the sum of its proper divisors (309550740525198).

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

201012220121202 is a wasteful number, since it uses less digits than its factorization.

201012220121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58057248 (or 58057242 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201012220121202 its reverse (202121022210102), we get a palindrome (403133242331304).

The spelling of 201012220121202 in words is "two hundred one trillion, twelve billion, two hundred twenty million, one hundred twenty-one thousand, two hundred two".