20101010102 has 16 divisors (see below), whose sum is σ = 31097932992. Its totient is φ = 9739267200.

The previous prime is 20101010089. The next prime is 20101010107.

20101010102 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20101010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101010107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049123 + ... + 1068110.

It is an arithmetic number, because the mean of its divisors is an integer number (1943620812).

Almost surely, 2^20101010102 is an apocalyptic number.

20101010102 is a deficient number, since it is larger than the sum of its proper divisors (10996922890).

20101010102 is a wasteful number, since it uses less digits than its factorization.

20101010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117383.

The product of its (nonzero) digits is 4, while the sum is 8.

It can be divided in two parts, 201010 and 10102, that added together give a palindrome (211112).

The spelling of 20101010102 in words is "twenty billion, one hundred one million, ten thousand, one hundred two".