252105232101 has 8 divisors (see below), whose sum is σ = 337418410560. Its totient is φ = 167431104192.

The previous prime is 252105232091. The next prime is 252105232103. The reversal of 252105232101 is 101232501252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252105232101 - 2⁵ = 252105232069 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252105232103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159761716 + ... + 159763293.

It is an arithmetic number, because the mean of its divisors is an integer number (42177301320).

Almost surely, 2^252105232101 is an apocalyptic number.

It is an amenable number.

252105232101 is a deficient number, since it is larger than the sum of its proper divisors (85313178459).

252105232101 is a wasteful number, since it uses less digits than its factorization.

252105232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319525275.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 252105232101 its reverse (101232501252), we get a palindrome (353337733353).

The spelling of 252105232101 in words is "two hundred fifty-two billion, one hundred five million, two hundred thirty-two thousand, one hundred one".