101522531012 has 18 divisors (see below), whose sum is σ = 206670867102. Its totient is φ = 43509656064.

The previous prime is 101522530987. The next prime is 101522531017. The reversal of 101522531012 is 210135225101.

It can be written as a sum of positive squares in only one way, i.e., 101522527876 + 3136 = 318626^2 + 56^2 .

It is not an unprimeable number, because it can be changed into a prime (101522531017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258985853 + ... + 258986244.

It is an arithmetic number, because the mean of its divisors is an integer number (11481714839).

Almost surely, 2^101522531012 is an apocalyptic number.

It is an amenable number.

101522531012 is an abundant number, since it is smaller than the sum of its proper divisors (105148336090).

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

101522531012 is a wasteful number, since it uses less digits than its factorization.

101522531012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517972115 (or 517972106 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 101522531012 its reverse (210135225101), we get a palindrome (311657756113).

The spelling of 101522531012 in words is "one hundred one billion, five hundred twenty-two million, five hundred thirty-one thousand, twelve".