102100012203 has 16 divisors (see below), whose sum is σ = 156957797376. Its totient is φ = 57826554240.

The previous prime is 102100012199. The next prime is 102100012219. The reversal of 102100012203 is 302210001201.

It is not a de Polignac number, because 102100012203 - 2² = 102100012199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102100092203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21510483 + ... + 21515228.

It is an arithmetic number, because the mean of its divisors is an integer number (9809862336).

Almost surely, 2^102100012203 is an apocalyptic number.

102100012203 is a deficient number, since it is larger than the sum of its proper divisors (54857785173).

102100012203 is a wasteful number, since it uses less digits than its factorization.

102100012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43025834.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102100012203 its reverse (302210001201), we get a palindrome (404310013404).

It can be divided in two parts, 1021000 and 12203, that added together give a triangular number (1033203 = T₁₄₃₇).

The spelling of 102100012203 in words is "one hundred two billion, one hundred million, twelve thousand, two hundred three".