22120201155 has 16 divisors (see below), whose sum is σ = 38114808480. Its totient is φ = 10889945088.

The previous prime is 22120201133. The next prime is 22120201183. The reversal of 22120201155 is 55110202122.

It is not a de Polignac number, because 22120201155 - 2⁶ = 22120201091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56718270 + ... + 56718659.

It is an arithmetic number, because the mean of its divisors is an integer number (2382175530).

Almost surely, 2^22120201155 is an apocalyptic number.

22120201155 is a deficient number, since it is larger than the sum of its proper divisors (15994607325).

22120201155 is a wasteful number, since it uses less digits than its factorization.

22120201155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113436950.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 22120201155 its reverse (55110202122), we get a palindrome (77230403277).

The spelling of 22120201155 in words is "twenty-two billion, one hundred twenty million, two hundred one thousand, one hundred fifty-five".