201120021002 has 16 divisors (see below), whose sum is σ = 313886753640. Its totient is φ = 96531191232.

The previous prime is 201120020993. The next prime is 201120021023. The reversal of 201120021002 is 200120021102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 188980608961 + 12139412041 = 434719^2 + 110179^2 .

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, 10011893 + ... + 10031960.

Almost surely, 2^201120021002 is an apocalyptic number.

201120021002 is a deficient number, since it is larger than the sum of its proper divisors (112766732638).

201120021002 is a wasteful number, since it uses less digits than its factorization.

201120021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20044057.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201120021002 its reverse (200120021102), we get a palindrome (401240042104).

The spelling of 201120021002 in words is "two hundred one billion, one hundred twenty million, twenty-one thousand, two".