111110212001121 has 8 divisors (see below), whose sum is σ = 152150920938624. Its totient is φ = 72071488865520.

The previous prime is 111110212001101. The next prime is 111110212001179. The reversal of 111110212001121 is 121100212011111.

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

It is not a de Polignac number, because 111110212001121 - 2¹³ = 111110211992929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111110212001121.

It is not an unprimeable number, because it can be changed into a prime (111110212001101) 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, 500496450345 + ... + 500496450566.

It is an arithmetic number, because the mean of its divisors is an integer number (19018865117328).

Almost surely, 2^{111110212001121} is an apocalyptic number.

It is an amenable number.

111110212001121 is a deficient number, since it is larger than the sum of its proper divisors (41040708937503).

111110212001121 is a wasteful number, since it uses less digits than its factorization.

111110212001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000992900951.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111110212001121 its reverse (121100212011111), we get a palindrome (232210424012232).

The spelling of 111110212001121 in words is "one hundred eleven trillion, one hundred ten billion, two hundred twelve million, one thousand, one hundred twenty-one".