201000210000102 has 64 divisors (see below), whose sum is σ = 472193852832000. Its totient is φ = 63201330921024.

The previous prime is 201000210000077. The next prime is 201000210000127. The reversal of 201000210000102 is 201000012000102.

It is an interprime number because it is at equal distance from previous prime (201000210000077) and next prime (201000210000127).

It is a super-4 number, since 4×201000210000102⁴ (a number of 58 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420161452 + ... + 420639567.

It is an arithmetic number, because the mean of its divisors is an integer number (7378028950500).

Almost surely, 2^{201000210000102} is an apocalyptic number.

201000210000102 is an abundant number, since it is smaller than the sum of its proper divisors (271193642831898).

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

201000210000102 is a wasteful number, since it uses less digits than its factorization.

201000210000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840801282 (or 840801276 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201000210000102 its reverse (201000012000102), we get a palindrome (402000222000204).

The spelling of 201000210000102 in words is "two hundred one trillion, two hundred ten million, one hundred two", and thus it is an aban number.