12020111101 has 8 divisors (see below), whose sum is σ = 12163500000. Its totient is φ = 11877200400.

The previous prime is 12020111099. The next prime is 12020111107. The reversal of 12020111101 is 10111102021.

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

It is a cyclic number.

It is not a de Polignac number, because 12020111101 - 2¹ = 12020111099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020111107) 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, 68851 + ... + 169648.

It is an arithmetic number, because the mean of its divisors is an integer number (1520437500).

Almost surely, 2^12020111101 is an apocalyptic number.

It is an amenable number.

12020111101 is a deficient number, since it is larger than the sum of its proper divisors (143388899).

12020111101 is a wasteful number, since it uses less digits than its factorization.

12020111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239099.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12020111101 its reverse (10111102021), we get a palindrome (22131213122).

The spelling of 12020111101 in words is "twelve billion, twenty million, one hundred eleven thousand, one hundred one".