201010110102 has 24 divisors (see below), whose sum is σ = 435554535936. Its totient is φ = 66998349936.

The previous prime is 201010110083. The next prime is 201010110109. The reversal of 201010110102 is 201011010102.

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 not an unprimeable number, because it can be changed into a prime (201010110109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167353 + ... + 655764.

It is an arithmetic number, because the mean of its divisors is an integer number (18148105664).

Almost surely, 2^201010110102 is an apocalyptic number.

201010110102 is an abundant number, since it is smaller than the sum of its proper divisors (234544425834).

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

201010110102 is a wasteful number, since it uses less digits than its factorization.

201010110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836692 (or 836689 counting only the distinct ones).

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

Adding to 201010110102 its reverse (201011010102), we get a palindrome (402021120204).

The spelling of 201010110102 in words is "two hundred one billion, ten million, one hundred ten thousand, one hundred two".