201020100102102 has 8 divisors (see below), whose sum is σ = 402040200204216. Its totient is φ = 67006700034032.

The previous prime is 201020100102037. The next prime is 201020100102109. The reversal of 201020100102102 is 201201001020102.

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

201020100102102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020100102109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16751675008503 + ... + 16751675008514.

It is an arithmetic number, because the mean of its divisors is an integer number (50255025025527).

Almost surely, 2^{201020100102102} is an apocalyptic number.

201020100102102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201020100102102 is a wasteful number, since it uses less digits than its factorization.

201020100102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33503350017022.

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

Adding to 201020100102102 its reverse (201201001020102), we get a palindrome (402221101122204).

The spelling of 201020100102102 in words is "two hundred one trillion, twenty billion, one hundred million, one hundred two thousand, one hundred two".