201021122102002 has 16 divisors (see below), whose sum is σ = 301577184883800. Its totient is φ = 100495394288640.

The previous prime is 201021122101999. The next prime is 201021122102089. The reversal of 201021122102002 is 200201221120102.

It is a happy number.

201021122102002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 156658741962921 + 44362380139081 = 12516339^2 + 6660509^2 .

It is a super-2 number, since 2×201021122102002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552689552 + ... + 1552819012.

Almost surely, 2^{201021122102002} is an apocalyptic number.

201021122102002 is a deficient number, since it is larger than the sum of its proper divisors (100556062781798).

201021122102002 is a wasteful number, since it uses less digits than its factorization.

201021122102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240621.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201021122102002 its reverse (200201221120102), we get a palindrome (401222343222104).

The spelling of 201021122102002 in words is "two hundred one trillion, twenty-one billion, one hundred twenty-two million, one hundred two thousand, two".