101112221523 has 8 divisors (see below), whose sum is σ = 134841085888. Its totient is φ = 67395752424.

The previous prime is 101112221503. The next prime is 101112221537. The reversal of 101112221523 is 325122211101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101112221523 - 2⁹ = 101112221011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101112221523.

It is not an unprimeable number, because it can be changed into a prime (101112221503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3079765 + ... + 3112422.

It is an arithmetic number, because the mean of its divisors is an integer number (16855135736).

Almost surely, 2^101112221523 is an apocalyptic number.

101112221523 is a deficient number, since it is larger than the sum of its proper divisors (33728864365).

101112221523 is an equidigital number, since it uses as much as digits as its factorization.

101112221523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197633.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 101112221523 its reverse (325122211101), we get a palindrome (426234432624).

The spelling of 101112221523 in words is "one hundred one billion, one hundred twelve million, two hundred twenty-one thousand, five hundred twenty-three".