23210121121 has 8 divisors (see below), whose sum is σ = 25321334688. Its totient is φ = 21099108000.

The previous prime is 23210121113. The next prime is 23210121133. The reversal of 23210121121 is 12112101232.

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 23210121121 - 2³ = 23210121113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23210121095 and 23210121104.

It is not an unprimeable number, because it can be changed into a prime (23210821121) 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, 295941 + ... + 366061.

It is an arithmetic number, because the mean of its divisors is an integer number (3165166836).

Almost surely, 2^23210121121 is an apocalyptic number.

It is an amenable number.

23210121121 is a deficient number, since it is larger than the sum of its proper divisors (2111213567).

23210121121 is a wasteful number, since it uses less digits than its factorization.

23210121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100223.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 23210121121 its reverse (12112101232), we get a palindrome (35322222353).

It can be divided in two parts, 232101211 and 21, that added together give a palindrome (232101232).

The spelling of 23210121121 in words is "twenty-three billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".