101111009477532 has 144 divisors (see below), whose sum is σ = 248676452344320. Its totient is φ = 31965015204864.

The previous prime is 101111009477531. The next prime is 101111009477557. The reversal of 101111009477532 is 235774900111101.

It is a super-2 number, since 2×101111009477532² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111009477531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 772204653 + ... + 772335579.

Almost surely, 2^{101111009477532} is an apocalyptic number.

101111009477532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101111009477532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124338226172160).

101111009477532 is an abundant number, since it is smaller than the sum of its proper divisors (147565442866788).

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

101111009477532 is a wasteful number, since it uses less digits than its factorization.

101111009477532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132348 (or 132317 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 42.

Adding to 101111009477532 its reverse (235774900111101), we get a palindrome (336885909588633).

The spelling of 101111009477532 in words is "one hundred one trillion, one hundred eleven billion, nine million, four hundred seventy-seven thousand, five hundred thirty-two".