201115102152 has 32 divisors (see below), whose sum is σ = 503009481600. Its totient is φ = 67008803904.

The previous prime is 201115102117. The next prime is 201115102187. The reversal of 201115102152 is 251201511102.

It is an interprime number because it is at equal distance from previous prime (201115102117) and next prime (201115102187).

It is a super-2 number, since 2×201115102152² (a number of 23 digits) 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, 1792128 + ... + 1901039.

It is an arithmetic number, because the mean of its divisors is an integer number (15719046300).

Almost surely, 2^201115102152 is an apocalyptic number.

It is an amenable number.

201115102152 is an abundant number, since it is smaller than the sum of its proper divisors (301894379448).

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

201115102152 is a wasteful number, since it uses less digits than its factorization.

201115102152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695445 (or 3695441 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 201115102152 its reverse (251201511102), we get a palindrome (452316613254).

The spelling of 201115102152 in words is "two hundred one billion, one hundred fifteen million, one hundred two thousand, one hundred fifty-two".