102312323021101 has 4 divisors (see below), whose sum is σ = 102312504379900. Its totient is φ = 102312141662304.

The previous prime is 102312323021099. The next prime is 102312323021107. The reversal of 102312323021101 is 101120323213201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8643335402025 + 93668987619076 = 2939955^2 + 9678274^2 .

It is a cyclic number.

It is not a de Polignac number, because 102312323021101 - 2¹ = 102312323021099 is a prime.

It is a super-2 number, since 2×102312323021101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312323021107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89830536 + ... + 90962353.

It is an arithmetic number, because the mean of its divisors is an integer number (25578126094975).

Almost surely, 2^{102312323021101} is an apocalyptic number.

It is an amenable number.

102312323021101 is a deficient number, since it is larger than the sum of its proper divisors (181358799).

102312323021101 is an equidigital number, since it uses as much as digits as its factorization.

102312323021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181358798.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 102312323021101 its reverse (101120323213201), we get a palindrome (203432646234302).

The spelling of 102312323021101 in words is "one hundred two trillion, three hundred twelve billion, three hundred twenty-three million, twenty-one thousand, one hundred one".