201010001010102 has 20 divisors (see below), whose sum is σ = 450411298560036. Its totient is φ = 67003333669980.

The previous prime is 201010001010059. The next prime is 201010001010121. The reversal of 201010001010102 is 201010100010102.

It is a happy number.

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 9 ways as a sum of consecutive naturals, for example, 620401237524 + ... + 620401237847.

Almost surely, 2^{201010001010102} is an apocalyptic number.

201010001010102 is an abundant number, since it is smaller than the sum of its proper divisors (249401297549934).

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

201010001010102 is a wasteful number, since it uses less digits than its factorization.

201010001010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240802475385 (or 1240802475376 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201010001010102 its reverse (201010100010102), we get a palindrome (402020101020204).

The spelling of 201010001010102 in words is "two hundred one trillion, ten billion, one million, ten thousand, one hundred two".