201020020101002 has 8 divisors (see below), whose sum is σ = 301575876306276. Its totient is φ = 100494727998912.

The previous prime is 201020020100987. The next prime is 201020020101097. The reversal of 201020020101002 is 200101020020102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 197845069879081 + 3174950221921 = 14065741^2 + 1781839^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7641009353 + ... + 7641035660.

Almost surely, 2^{201020020101002} is an apocalyptic number.

201020020101002 is a deficient number, since it is larger than the sum of its proper divisors (100555856205274).

201020020101002 is a wasteful number, since it uses less digits than its factorization.

201020020101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15282051592.

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

Adding to 201020020101002 its reverse (200101020020102), we get a palindrome (401121040121104).

The spelling of 201020020101002 in words is "two hundred one trillion, twenty billion, twenty million, one hundred one thousand, two".