102011115522 has 16 divisors (see below), whose sum is σ = 207480235680. Its totient is φ = 33427371072.

The previous prime is 102011115511. The next prime is 102011115527. The reversal of 102011115522 is 225511110201.

It is not an unprimeable number, because it can be changed into a prime (102011115527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144083143 + ... + 144083850.

It is an arithmetic number, because the mean of its divisors is an integer number (12967514730).

Almost surely, 2^102011115522 is an apocalyptic number.

102011115522 is an abundant number, since it is smaller than the sum of its proper divisors (105469120158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102011115522 is a wasteful number, since it uses less digits than its factorization.

102011115522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288167057.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 102011115522 its reverse (225511110201), we get a palindrome (327522225723).

The spelling of 102011115522 in words is "one hundred two billion, eleven million, one hundred fifteen thousand, five hundred twenty-two".