201122152 has 32 divisors (see below), whose sum is σ = 470157120. Its totient is φ = 78359040.

The previous prime is 201122101. The next prime is 201122161. The reversal of 201122152 is 251221102.

It is a happy number.

It is a super-2 number, since 2×201122152² = 80900240050222208, which contains 22 as substring.

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, 162633 + ... + 163864.

It is an arithmetic number, because the mean of its divisors is an integer number (14692410).

Almost surely, 2^201122152 is an apocalyptic number.

201122152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201122152 is an abundant number, since it is smaller than the sum of its proper divisors (269034968).

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

201122152 is a wasteful number, since it uses less digits than its factorization.

201122152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326521 (or 326517 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 201122152 is about 14181.7541933288. The cubic root of 201122152 is about 585.8952392257.

Adding to 201122152 its reverse (251221102), we get a palindrome (452343254).

The spelling of 201122152 in words is "two hundred one million, one hundred twenty-two thousand, one hundred fifty-two".