112121112100121 has 8 divisors (see below), whose sum is σ = 112133455167360. Its totient is φ = 112108769590752.

The previous prime is 112121112100057. The next prime is 112121112100133. The reversal of 112121112100121 is 121001211121211.

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 112121112100121 - 2⁶ = 112121112100057 is a prime.

It is a super-2 number, since 2×112121112100121² (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 112121112100121.

It is not an unprimeable number, because it can be changed into a prime (112121112102121) 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, 494546636 + ... + 494773298.

It is an arithmetic number, because the mean of its divisors is an integer number (14016681895920).

Almost surely, 2^{112121112100121} is an apocalyptic number.

It is an amenable number.

112121112100121 is a deficient number, since it is larger than the sum of its proper divisors (12343067239).

112121112100121 is a wasteful number, since it uses less digits than its factorization.

112121112100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278935.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112121112100121 its reverse (121001211121211), we get a palindrome (233122323221332).

It can be divided in two parts, 1121211 and 12100121, that multiplied together give a palindrome (13566788766531).

The spelling of 112121112100121 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, one hundred thousand, one hundred twenty-one".