23120101021331 has 4 divisors (see below), whose sum is σ = 23120116604664. Its totient is φ = 23120085438000.

The previous prime is 23120101021301. The next prime is 23120101021343. The reversal of 23120101021331 is 13312010102132.

It is a happy number.

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-23120101021331 is a prime.

It is a super-2 number, since 2×23120101021331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120101021301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5300765 + ... + 8621966.

It is an arithmetic number, because the mean of its divisors is an integer number (5780029151166).

Almost surely, 2^{23120101021331} is an apocalyptic number.

23120101021331 is a deficient number, since it is larger than the sum of its proper divisors (15583333).

23120101021331 is a wasteful number, since it uses less digits than its factorization.

23120101021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15583332.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23120101021331 its reverse (13312010102132), we get a palindrome (36432111123463).

The spelling of 23120101021331 in words is "twenty-three trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, three hundred thirty-one".