101112109505 has 8 divisors (see below), whose sum is σ = 132364943424. Its totient is φ = 73536079600.

The previous prime is 101112109493. The next prime is 101112109517. The reversal of 101112109505 is 505901211101.

It is an interprime number because it is at equal distance from previous prime (101112109493) and next prime (101112109517).

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

It is not a de Polignac number, because 101112109505 - 2⁴ = 101112109489 is a prime.

It is a super-2 number, since 2×101112109505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919200941 + ... + 919201050.

It is an arithmetic number, because the mean of its divisors is an integer number (16545617928).

Almost surely, 2^101112109505 is an apocalyptic number.

It is an amenable number.

101112109505 is a deficient number, since it is larger than the sum of its proper divisors (31252833919).

101112109505 is a wasteful number, since it uses less digits than its factorization.

101112109505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838402007.

The product of its (nonzero) digits is 450, while the sum is 26.

The spelling of 101112109505 in words is "one hundred one billion, one hundred twelve million, one hundred nine thousand, five hundred five".