111212001111101 has 8 divisors (see below), whose sum is σ = 121323062949600. Its totient is φ = 101101085925840.

The previous prime is 111212001111091. The next prime is 111212001111187. The reversal of 111212001111101 is 101111100212111.

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-111212001111101 is a prime.

It is a super-2 number, since 2×111212001111101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212001114101) 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, 35074706 + ... + 38113763.

It is an arithmetic number, because the mean of its divisors is an integer number (15165382868700).

Almost surely, 2^{111212001111101} is an apocalyptic number.

111212001111101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111212001111101 is a deficient number, since it is larger than the sum of its proper divisors (10111061838499).

111212001111101 is a wasteful number, since it uses less digits than its factorization.

111212001111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73326619.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 111212001111101 its reverse (101111100212111), we get a palindrome (212323101323212).

The spelling of 111212001111101 in words is "one hundred eleven trillion, two hundred twelve billion, one million, one hundred eleven thousand, one hundred one".