102113212020123 has 8 divisors (see below), whose sum is σ = 136155952995136. Its totient is φ = 68072972862600.

The previous prime is 102113212020077. The next prime is 102113212020173. The reversal of 102113212020123 is 321020212311201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102113212020123 - 2²⁸ = 102112943584667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102113212020123.

It is not an unprimeable number, because it can be changed into a prime (102113212020173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625359133 + ... + 625522398.

It is an arithmetic number, because the mean of its divisors is an integer number (17019494124392).

Almost surely, 2^{102113212020123} is an apocalyptic number.

102113212020123 is a deficient number, since it is larger than the sum of its proper divisors (34042740975013).

102113212020123 is a wasteful number, since it uses less digits than its factorization.

102113212020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250908745.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 102113212020123 its reverse (321020212311201), we get a palindrome (423133424331324).

The spelling of 102113212020123 in words is "one hundred two trillion, one hundred thirteen billion, two hundred twelve million, twenty thousand, one hundred twenty-three".