23121332010101 has 16 divisors (see below), whose sum is σ = 26187086843904. Its totient is φ = 20254074914304.

The previous prime is 23121332010037. The next prime is 23121332010103. The reversal of 23121332010101 is 10101023312132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23121332010101 - 2⁶ = 23121332010037 is a prime.

It is a super-2 number, since 2×23121332010101² (a number of 28 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 (23121332010103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304406396 + ... + 304482341.

It is an arithmetic number, because the mean of its divisors is an integer number (1636692927744).

Almost surely, 2^{23121332010101} is an apocalyptic number.

It is an amenable number.

23121332010101 is a deficient number, since it is larger than the sum of its proper divisors (3065754833803).

23121332010101 is a wasteful number, since it uses less digits than its factorization.

23121332010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608888900.

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

Adding to 23121332010101 its reverse (10101023312132), we get a palindrome (33222355322233).

It can be divided in two parts, 2312133 and 2010101, that added together give a palindrome (4322234).

The spelling of 23121332010101 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred thirty-two million, ten thousand, one hundred one".