100102020111256 has 16 divisors (see below), whose sum is σ = 189413226129600. Its totient is φ = 49591826476704.

The previous prime is 100102020111143. The next prime is 100102020111257. The reversal of 100102020111256 is 652111020201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102020111257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57397946440 + ... + 57397948183.

It is an arithmetic number, because the mean of its divisors is an integer number (11838326633100).

Almost surely, 2^{100102020111256} is an apocalyptic number.

It is an amenable number.

100102020111256 is a deficient number, since it is larger than the sum of its proper divisors (89311206018344).

100102020111256 is a wasteful number, since it uses less digits than its factorization.

100102020111256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114795894738 (or 114795894734 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 100102020111256 its reverse (652111020201001), we get a palindrome (752213040312257).

The spelling of 100102020111256 in words is "one hundred trillion, one hundred two billion, twenty million, one hundred eleven thousand, two hundred fifty-six".