201001020202102 has 16 divisors (see below), whose sum is σ = 306859593154320. Its totient is φ = 98717243233248.

The previous prime is 201001020202079. The next prime is 201001020202139. The reversal of 201001020202102 is 201202020100102.

It is a happy number.

It is a congruent number.

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, 688374033 + ... + 688665964.

It is an arithmetic number, because the mean of its divisors is an integer number (19178724572145).

Almost surely, 2^{201001020202102} is an apocalyptic number.

201001020202102 is a deficient number, since it is larger than the sum of its proper divisors (105858572952218).

201001020202102 is a wasteful number, since it uses less digits than its factorization.

201001020202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377041295.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201001020202102 its reverse (201202020100102), we get a palindrome (402203040302204).

The spelling of 201001020202102 in words is "two hundred one trillion, one billion, twenty million, two hundred two thousand, one hundred two".