20123331222101 has 8 divisors (see below), whose sum is σ = 20211576202944. Its totient is φ = 20035150308000.

The previous prime is 20123331222079. The next prime is 20123331222109. The reversal of 20123331222101 is 10122213332102.

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 20123331222101 - 2⁴² = 15725284710997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123331222109) 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, 15387056 + ... + 16643561.

It is an arithmetic number, because the mean of its divisors is an integer number (2526447025368).

Almost surely, 2^{20123331222101} is an apocalyptic number.

It is an amenable number.

20123331222101 is a deficient number, since it is larger than the sum of its proper divisors (88244980843).

20123331222101 is a wasteful number, since it uses less digits than its factorization.

20123331222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32033371.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20123331222101 its reverse (10122213332102), we get a palindrome (30245544554203).

The spelling of 20123331222101 in words is "twenty trillion, one hundred twenty-three billion, three hundred thirty-one million, two hundred twenty-two thousand, one hundred one".