201020101002102 has 16 divisors (see below), whose sum is σ = 402968701321200. Its totient is φ = 66851950447872.

The previous prime is 201020101002089. The next prime is 201020101002103. The reversal of 201020101002102 is 201200101020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020101002103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38687468727 + ... + 38687473922.

It is an arithmetic number, because the mean of its divisors is an integer number (25185543832575).

Almost surely, 2^{201020101002102} is an apocalyptic number.

201020101002102 is an abundant number, since it is smaller than the sum of its proper divisors (201948600319098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201020101002102 is a wasteful number, since it uses less digits than its factorization.

201020101002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77374943087.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201020101002102 its reverse (201200101020102), we get a palindrome (402220202022204).

The spelling of 201020101002102 in words is "two hundred one trillion, twenty billion, one hundred one million, two thousand, one hundred two".