111001210122101 has 8 divisors (see below), whose sum is σ = 119540556059904. Its totient is φ = 102461977229040.

The previous prime is 111001210122083. The next prime is 111001210122109. The reversal of 111001210122101 is 101221012100111.

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

It is a de Polignac number, because none of the positive numbers 2^k-111001210122101 is a prime.

It is a super-4 number, since 4×111001210122101⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001210122109) 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, 26216321 + ... + 30154566.

It is an arithmetic number, because the mean of its divisors is an integer number (14942569507488).

Almost surely, 2^{111001210122101} is an apocalyptic number.

It is an amenable number.

111001210122101 is a deficient number, since it is larger than the sum of its proper divisors (8539345937803).

111001210122101 is a wasteful number, since it uses less digits than its factorization.

111001210122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56522371.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111001210122101 its reverse (101221012100111), we get a palindrome (212222222222212).

The spelling of 111001210122101 in words is "one hundred eleven trillion, one billion, two hundred ten million, one hundred twenty-two thousand, one hundred one".