2150522221153 has 4 divisors (see below), whose sum is σ = 2150556581908. Its totient is φ = 2150487860400.

The previous prime is 2150522221117. The next prime is 2150522221171. The reversal of 2150522221153 is 3511222250512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 983048454144 + 1167473767009 = 991488^2 + 1080497^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150522221153 - 2¹³ = 2150522212961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150522201153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17086326 + ... + 17211727.

It is an arithmetic number, because the mean of its divisors is an integer number (537639145477).

Almost surely, 2^{2150522221153} is an apocalyptic number.

It is an amenable number.

2150522221153 is a deficient number, since it is larger than the sum of its proper divisors (34360755).

2150522221153 is an equidigital number, since it uses as much as digits as its factorization.

2150522221153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34360754.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 2150522221153 its reverse (3511222250512), we get a palindrome (5661744471665).

The spelling of 2150522221153 in words is "two trillion, one hundred fifty billion, five hundred twenty-two million, two hundred twenty-one thousand, one hundred fifty-three".