84242103021099 has 24 divisors (see below), whose sum is σ = 128671913994624. Its totient is φ = 53024140368000.

The previous prime is 84242103021079. The next prime is 84242103021127. The reversal of 84242103021099 is 99012030124248.

84242103021099 is a `hidden beast` number, since 8 + 4 + 2 + 421 + 0 + 3 + 0 + 210 + 9 + 9 = 666.

It is not a de Polignac number, because 84242103021099 - 2²¹ = 84242100923947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84242103021019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3682220532 + ... + 3682243409.

It is an arithmetic number, because the mean of its divisors is an integer number (5361329749776).

Almost surely, 2^{84242103021099} is an apocalyptic number.

84242103021099 is a deficient number, since it is larger than the sum of its proper divisors (44429810973525).

84242103021099 is a wasteful number, since it uses less digits than its factorization.

84242103021099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364464019 (or 7364464016 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 84242103021099 in words is "eighty-four trillion, two hundred forty-two billion, one hundred three million, twenty-one thousand, ninety-nine".