102100213222123 has 8 divisors (see below), whose sum is σ = 108106743214800. Its totient is φ = 96093753795840.

The previous prime is 102100213222069. The next prime is 102100213222141. The reversal of 102100213222123 is 321222312001201.

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

It is a cyclic number.

It is not a de Polignac number, because 102100213222123 - 2²¹ = 102100211124971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100213222094 and 102100213222103.

It is not an unprimeable number, because it can be changed into a prime (102100213220123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14648233 + ... + 20463898.

It is an arithmetic number, because the mean of its divisors is an integer number (13513342901850).

Almost surely, 2^{102100213222123} is an apocalyptic number.

102100213222123 is a deficient number, since it is larger than the sum of its proper divisors (6006529992677).

102100213222123 is a wasteful number, since it uses less digits than its factorization.

102100213222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35283197.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102100213222123 its reverse (321222312001201), we get a palindrome (423322525223324).

The spelling of 102100213222123 in words is "one hundred two trillion, one hundred billion, two hundred thirteen million, two hundred twenty-two thousand, one hundred twenty-three".