201011220202 has 16 divisors (see below), whose sum is σ = 324739279872. Its totient is φ = 92766167280.

The previous prime is 201011220181. The next prime is 201011220227. The reversal of 201011220202 is 202022110102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40074 + ... + 635317.

It is an arithmetic number, because the mean of its divisors is an integer number (20296204992).

Almost surely, 2^201011220202 is an apocalyptic number.

201011220202 is a deficient number, since it is larger than the sum of its proper divisors (123728059670).

201011220202 is a wasteful number, since it uses less digits than its factorization.

201011220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686853.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201011220202 its reverse (202022110102), we get a palindrome (403033330304).

The spelling of 201011220202 in words is "two hundred one billion, eleven million, two hundred twenty thousand, two hundred two".