215122041201 has 8 divisors (see below), whose sum is σ = 286995866080. Its totient is φ = 143331455232.

The previous prime is 215122041191. The next prime is 215122041203. The reversal of 215122041201 is 102140221512.

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

It is not a de Polignac number, because 215122041201 - 2⁶ = 215122041137 is a prime.

It is a super-2 number, since 2×215122041201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215122041203) 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, 20803696 + ... + 20814033.

It is an arithmetic number, because the mean of its divisors is an integer number (35874483260).

Almost surely, 2^215122041201 is an apocalyptic number.

It is an amenable number.

215122041201 is a deficient number, since it is larger than the sum of its proper divisors (71873824879).

215122041201 is a wasteful number, since it uses less digits than its factorization.

215122041201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41619455.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 215122041201 its reverse (102140221512), we get a palindrome (317262262713).

The spelling of 215122041201 in words is "two hundred fifteen billion, one hundred twenty-two million, forty-one thousand, two hundred one".