21112332010153 has 2 divisors, whose sum is σ = 21112332010154. Its totient is φ = 21112332010152.

The previous prime is 21112332010109. The next prime is 21112332010213. The reversal of 21112332010153 is 35101023321112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15833053771929 + 5279278238224 = 3979077^2 + 2297668^2 .

It is a cyclic number.

It is not a de Polignac number, because 21112332010153 - 2⁹ = 21112332009641 is a prime.

It is not a weakly prime, because it can be changed into another prime (21112332010103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556166005076 + 10556166005077.

It is an arithmetic number, because the mean of its divisors is an integer number (10556166005077).

Almost surely, 2^{21112332010153} is an apocalyptic number.

It is an amenable number.

21112332010153 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112332010153 is an equidigital number, since it uses as much as digits as its factorization.

21112332010153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 21112332010153 its reverse (35101023321112), we get a palindrome (56213355331265).

The spelling of 21112332010153 in words is "twenty-one trillion, one hundred twelve billion, three hundred thirty-two million, ten thousand, one hundred fifty-three".