102101120023 has 12 divisors (see below), whose sum is σ = 119212232760. Its totient is φ = 87189898992.

The previous prime is 102101120003. The next prime is 102101120057. The reversal of 102101120023 is 320021101201.

It is not a de Polignac number, because 102101120023 - 2¹³ = 102101111831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102101119985 and 102101120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101120003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3859861 + ... + 3886222.

It is an arithmetic number, because the mean of its divisors is an integer number (9934352730).

Almost surely, 2^102101120023 is an apocalyptic number.

102101120023 is a deficient number, since it is larger than the sum of its proper divisors (17111112737).

102101120023 is an equidigital number, since it uses as much as digits as its factorization.

102101120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7746366 (or 7746359 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102101120023 its reverse (320021101201), we get a palindrome (422122221224).

The spelling of 102101120023 in words is "one hundred two billion, one hundred one million, one hundred twenty thousand, twenty-three".