12111031101 has 8 divisors (see below), whose sum is σ = 17390198560. Its totient is φ = 7452942192.

The previous prime is 12111031063. The next prime is 12111031139. The reversal of 12111031101 is 10113011121.

It is an interprime number because it is at equal distance from previous prime (12111031063) and next prime (12111031139).

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

It is not a de Polignac number, because 12111031101 - 2¹¹ = 12111029053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111031151) 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, 155269591 + ... + 155269668.

It is an arithmetic number, because the mean of its divisors is an integer number (2173774820).

Almost surely, 2^12111031101 is an apocalyptic number.

It is an amenable number.

12111031101 is a deficient number, since it is larger than the sum of its proper divisors (5279167459).

12111031101 is a wasteful number, since it uses less digits than its factorization.

12111031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310539275.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 12111031101 its reverse (10113011121), we get a palindrome (22224042222).

The spelling of 12111031101 in words is "twelve billion, one hundred eleven million, thirty-one thousand, one hundred one".