23121102133330 has 32 divisors (see below), whose sum is σ = 41933701968624. Its totient is φ = 9178473229056.

The previous prime is 23121102133309. The next prime is 23121102133373. The reversal of 23121102133330 is 3333120112132.

It can be written as a sum of positive squares in 8 ways, for example, as 14348860664121 + 8772241469209 = 3787989^2 + 2961797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23121102133295 and 23121102133304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11033517 + ... + 12960736.

Almost surely, 2^{23121102133330} is an apocalyptic number.

23121102133330 is a deficient number, since it is larger than the sum of its proper divisors (18812599835294).

23121102133330 is a wasteful number, since it uses less digits than its factorization.

23121102133330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23994990.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 23121102133330 its reverse (3333120112132), we get a palindrome (26454222245462).

The spelling of 23121102133330 in words is "twenty-three trillion, one hundred twenty-one billion, one hundred two million, one hundred thirty-three thousand, three hundred thirty".