215120132101 has 8 divisors (see below), whose sum is σ = 250490289024. Its totient is φ = 180909652560.

The previous prime is 215120132063. The next prime is 215120132119. The reversal of 215120132101 is 101231021512.

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

It is not a de Polignac number, because 215120132101 - 2⁷ = 215120131973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215120133101) 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, 289918945 + ... + 289919686.

It is an arithmetic number, because the mean of its divisors is an integer number (31311286128).

Almost surely, 2^215120132101 is an apocalyptic number.

It is an amenable number.

215120132101 is a deficient number, since it is larger than the sum of its proper divisors (35370156923).

215120132101 is an equidigital number, since it uses as much as digits as its factorization.

215120132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579838691.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 215120132101 its reverse (101231021512), we get a palindrome (316351153613).

The spelling of 215120132101 in words is "two hundred fifteen billion, one hundred twenty million, one hundred thirty-two thousand, one hundred one".