201021322010 has 8 divisors (see below), whose sum is σ = 361838379636. Its totient is φ = 80408528800.

The previous prime is 201021321923. The next prime is 201021322031. The reversal of 201021322010 is 10223120102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 197899529881 + 3121792129 = 444859^2 + 55873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×201021322010² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 10051066091 + ... + 10051066110.

Almost surely, 2^201021322010 is an apocalyptic number.

201021322010 is a deficient number, since it is larger than the sum of its proper divisors (160817057626).

201021322010 is a wasteful number, since it uses less digits than its factorization.

201021322010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20102132208.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 201021322010 its reverse (10223120102), we get a palindrome (211244442112).

The spelling of 201021322010 in words is "two hundred one billion, twenty-one million, three hundred twenty-two thousand, ten".