111212122200101 has 8 divisors (see below), whose sum is σ = 126070421927520. Its totient is φ = 97254325486512.

The previous prime is 111212122200083. The next prime is 111212122200103. The reversal of 111212122200101 is 101002221212111.

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 111212122200101 - 2³⁴ = 111194942330917 is a prime.

It is a super-2 number, since 2×111212122200101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111212122200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212122200103) 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, 225125753195 + ... + 225125753688.

It is an arithmetic number, because the mean of its divisors is an integer number (15758802740940).

Almost surely, 2^{111212122200101} is an apocalyptic number.

It is an amenable number.

111212122200101 is a deficient number, since it is larger than the sum of its proper divisors (14858299727419).

111212122200101 is a wasteful number, since it uses less digits than its factorization.

111212122200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450251506915.

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

Adding to 111212122200101 its reverse (101002221212111), we get a palindrome (212214343412212).

The spelling of 111212122200101 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred twenty-two million, two hundred thousand, one hundred one".