102020111315 has 16 divisors (see below), whose sum is σ = 123227720928. Its totient is φ = 81081950976.

The previous prime is 102020111293. The next prime is 102020111387. The reversal of 102020111315 is 513111020201.

It is a cyclic number.

It is not a de Polignac number, because 102020111315 - 2²⁴ = 102003334099 is a prime.

It is a super-3 number, since 3×102020111315³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102020111293 and 102020111302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417257 + ... + 614933.

It is an arithmetic number, because the mean of its divisors is an integer number (7701732558).

Almost surely, 2^102020111315 is an apocalyptic number.

102020111315 is a deficient number, since it is larger than the sum of its proper divisors (21207609613).

102020111315 is a wasteful number, since it uses less digits than its factorization.

102020111315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198358.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 102020111315 its reverse (513111020201), we get a palindrome (615131131516).

The spelling of 102020111315 in words is "one hundred two billion, twenty million, one hundred eleven thousand, three hundred fifteen".