111220122012101 has 8 divisors (see below), whose sum is σ = 116160997812480. Its totient is φ = 106288014405232.

The previous prime is 111220122012011. The next prime is 111220122012113. The reversal of 111220122012101 is 101210221022111.

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 111220122012101 - 2¹⁰ = 111220122011077 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111220122012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220122014101) 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, 2192022446 + ... + 2192073183.

It is an arithmetic number, because the mean of its divisors is an integer number (14520124726560).

Almost surely, 2^{111220122012101} is an apocalyptic number.

It is an amenable number.

111220122012101 is a deficient number, since it is larger than the sum of its proper divisors (4940875800379).

111220122012101 is a wasteful number, since it uses less digits than its factorization.

111220122012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384096755.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111220122012101 its reverse (101210221022111), we get a palindrome (212430343034212).

The spelling of 111220122012101 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twenty-two million, twelve thousand, one hundred one".