102215544452001 has 12 divisors (see below), whose sum is σ = 147715556131728. Its totient is φ = 68110982080344.

The previous prime is 102215544451927. The next prime is 102215544452003. The reversal of 102215544452001 is 100254445512201.

102215544452001 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 1 + 5 + 5 + 4 + 445 + 200 + 1 = 666.

It is not a de Polignac number, because 102215544452001 - 2¹⁴ = 102215544435617 is a prime.

It is a super-2 number, since 2×102215544452001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102215544452003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2726165295 + ... + 2726202788.

It is an arithmetic number, because the mean of its divisors is an integer number (12309629677644).

Almost surely, 2^{102215544452001} is an apocalyptic number.

It is an amenable number.

102215544452001 is a deficient number, since it is larger than the sum of its proper divisors (45500011679727).

102215544452001 is a wasteful number, since it uses less digits than its factorization.

102215544452001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452370172 (or 5452370169 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 102215544452001 its reverse (100254445512201), we get a palindrome (202469989964202).

The spelling of 102215544452001 in words is "one hundred two trillion, two hundred fifteen billion, five hundred forty-four million, four hundred fifty-two thousand, one".