201012222021 has 32 divisors (see below), whose sum is σ = 301243660032. Its totient is φ = 118297428480.

The previous prime is 201012222007. The next prime is 201012222023. The reversal of 201012222021 is 120222210102.

It is not a de Polignac number, because 201012222021 - 2¹¹ = 201012219973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4986081 + ... + 5026233.

It is an arithmetic number, because the mean of its divisors is an integer number (9413864376).

Almost surely, 2^201012222021 is an apocalyptic number.

It is an amenable number.

201012222021 is a deficient number, since it is larger than the sum of its proper divisors (100231438011).

201012222021 is a wasteful number, since it uses less digits than its factorization.

201012222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45773.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201012222021 its reverse (120222210102), we get a palindrome (321234432123).

The spelling of 201012222021 in words is "two hundred one billion, twelve million, two hundred twenty-two thousand, twenty-one".