102100111200212 has 12 divisors (see below), whose sum is σ = 178984856986740. Its totient is φ = 50961580632576.

The previous prime is 102100111200163. The next prime is 102100111200233. The reversal of 102100111200212 is 212002111001201.

It can be written as a sum of positive squares in 2 ways, for example, as 71539049621776 + 30561061578436 = 8458076^2 + 5528206^2 .

It is a congruent number.

It is an unprimeable number.

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, 22118739287 + ... + 22118743902.

It is an arithmetic number, because the mean of its divisors is an integer number (14915404748895).

Almost surely, 2^{102100111200212} is an apocalyptic number.

It is an amenable number.

102100111200212 is a deficient number, since it is larger than the sum of its proper divisors (76884745786528).

102100111200212 is a wasteful number, since it uses less digits than its factorization.

102100111200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44237483770 (or 44237483768 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102100111200212 its reverse (212002111001201), we get a palindrome (314102222201413).

The spelling of 102100111200212 in words is "one hundred two trillion, one hundred billion, one hundred eleven million, two hundred thousand, two hundred twelve".