201222024155 has 16 divisors (see below), whose sum is σ = 246089435904. Its totient is φ = 157924829280.

The previous prime is 201222024137. The next prime is 201222024187. The reversal of 201222024155 is 551420222102.

It is not a de Polignac number, because 201222024155 - 2¹⁴ = 201222007771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770701 + ... + 1880910.

It is an arithmetic number, because the mean of its divisors is an integer number (15380589744).

Almost surely, 2^201222024155 is an apocalyptic number.

201222024155 is a deficient number, since it is larger than the sum of its proper divisors (44867411749).

201222024155 is a wasteful number, since it uses less digits than its factorization.

201222024155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651826.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 201222024155 its reverse (551420222102), we get a palindrome (752642246257).

The spelling of 201222024155 in words is "two hundred one billion, two hundred twenty-two million, twenty-four thousand, one hundred fifty-five".