102101321023 has 8 divisors (see below), whose sum is σ = 110281550288. Its totient is φ = 93967703424.

The previous prime is 102101320973. The next prime is 102101321027. The reversal of 102101321023 is 320123101201.

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 102101321023 - 2¹⁷ = 102101189951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102101320988 and 102101321006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101321027) 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, 11648361 + ... + 11657122.

It is an arithmetic number, because the mean of its divisors is an integer number (13785193786).

Almost surely, 2^102101321023 is an apocalyptic number.

102101321023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102101321023 is a deficient number, since it is larger than the sum of its proper divisors (8180229265).

102101321023 is a wasteful number, since it uses less digits than its factorization.

102101321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23305833.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102101321023 its reverse (320123101201), we get a palindrome (422224422224).

The spelling of 102101321023 in words is "one hundred two billion, one hundred one million, three hundred twenty-one thousand, twenty-three".