102215065304441 has 4 divisors (see below), whose sum is σ = 105512325475584. Its totient is φ = 98917805133300.

The previous prime is 102215065304399. The next prime is 102215065304467. The reversal of 102215065304441 is 144403560512201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102215065304441 - 2⁶ = 102215065304377 is a prime.

It is a super-2 number, since 2×102215065304441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102215065304395 and 102215065304404.

It is not an unprimeable number, because it can be changed into a prime (102215065304941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648630085525 + ... + 1648630085586.

It is an arithmetic number, because the mean of its divisors is an integer number (26378081368896).

Almost surely, 2^{102215065304441} is an apocalyptic number.

It is an amenable number.

102215065304441 is a deficient number, since it is larger than the sum of its proper divisors (3297260171143).

102215065304441 is an equidigital number, since it uses as much as digits as its factorization.

102215065304441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297260171142.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 102215065304441 in words is "one hundred two trillion, two hundred fifteen billion, sixty-five million, three hundred four thousand, four hundred forty-one".