21110101233130 has 128 divisors (see below), whose sum is σ = 47564195696640. Its totient is φ = 6567253770240.

The previous prime is 21110101233119. The next prime is 21110101233167. The reversal of 21110101233130 is 3133210101112.

It is a junction number, because it is equal to n+sod(n) for n = 21110101233098 and 21110101233107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86862826 + ... + 87105514.

It is an arithmetic number, because the mean of its divisors is an integer number (371595278880).

Almost surely, 2^{21110101233130} is an apocalyptic number.

21110101233130 is an abundant number, since it is smaller than the sum of its proper divisors (26454094463510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21110101233130 is a wasteful number, since it uses less digits than its factorization.

21110101233130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244344.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21110101233130 its reverse (3133210101112), we get a palindrome (24243311334242).

The spelling of 21110101233130 in words is "twenty-one trillion, one hundred ten billion, one hundred one million, two hundred thirty-three thousand, one hundred thirty".