21100523244153 has 8 divisors (see below), whose sum is σ = 28219028066016. Its totient is φ = 14024516959200.

The previous prime is 21100523244127. The next prime is 21100523244167. The reversal of 21100523244153 is 35144232500112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21100523244153 - 2¹⁴ = 21100523227769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21100523242153) 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, 10624633068 + ... + 10624635053.

It is an arithmetic number, because the mean of its divisors is an integer number (3527378508252).

Almost surely, 2^{21100523244153} is an apocalyptic number.

It is an amenable number.

21100523244153 is a deficient number, since it is larger than the sum of its proper divisors (7118504821863).

21100523244153 is a wasteful number, since it uses less digits than its factorization.

21100523244153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21249268455.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 21100523244153 its reverse (35144232500112), we get a palindrome (56244755744265).

The spelling of 21100523244153 in words is "twenty-one trillion, one hundred billion, five hundred twenty-three million, two hundred forty-four thousand, one hundred fifty-three".