102101221323 has 6 divisors (see below), whose sum is σ = 147479541924. Its totient is φ = 68067480876.

The previous prime is 102101221309. The next prime is 102101221333. The reversal of 102101221323 is 323122101201.

102101221323 is a `hidden beast` number, since 10 + 210 + 122 + 1 + 323 = 666.

It is not a de Polignac number, because 102101221323 - 2¹⁶ = 102101155787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102101221296 and 102101221305.

It is not an unprimeable number, because it can be changed into a prime (102101221333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5672290065 + ... + 5672290082.

It is an arithmetic number, because the mean of its divisors is an integer number (24579923654).

Almost surely, 2^102101221323 is an apocalyptic number.

102101221323 is a deficient number, since it is larger than the sum of its proper divisors (45378320601).

102101221323 is a wasteful number, since it uses less digits than its factorization.

102101221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11344580153 (or 11344580150 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102101221323 its reverse (323122101201), we get a palindrome (425223322524).

The spelling of 102101221323 in words is "one hundred two billion, one hundred one million, two hundred twenty-one thousand, three hundred twenty-three".