101321221202023 has 4 divisors (see below), whose sum is σ = 102060792159840. Its totient is φ = 100581650244208.

The previous prime is 101321221201951. The next prime is 101321221202087. The reversal of 101321221202023 is 320202122123101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101321221202023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101321221201985 and 101321221202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321221202623) 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, 369785478703 + ... + 369785478976.

It is an arithmetic number, because the mean of its divisors is an integer number (25515198039960).

Almost surely, 2^{101321221202023} is an apocalyptic number.

101321221202023 is a deficient number, since it is larger than the sum of its proper divisors (739570957817).

101321221202023 is an equidigital number, since it uses as much as digits as its factorization.

101321221202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739570957816.

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

Adding to 101321221202023 its reverse (320202122123101), we get a palindrome (421523343325124).

The spelling of 101321221202023 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred twenty-one million, two hundred two thousand, twenty-three".