22121120144202 has 16 divisors (see below), whose sum is σ = 44242462479072. Its totient is φ = 7373669682960.

The previous prime is 22121120144197. The next prime is 22121120144269. The reversal of 22121120144202 is 20244102112122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7949449 + ... + 10365132.

It is an arithmetic number, because the mean of its divisors is an integer number (2765153904942).

Almost surely, 2^{22121120144202} is an apocalyptic number.

22121120144202 is an abundant number, since it is smaller than the sum of its proper divisors (22121342334870).

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

22121120144202 is a wasteful number, since it uses less digits than its factorization.

22121120144202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18515893.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 22121120144202 its reverse (20244102112122), we get a palindrome (42365222256324).

The spelling of 22121120144202 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, one hundred forty-four thousand, two hundred two".