110111020012121 has 8 divisors (see below), whose sum is σ = 111090873108384. Its totient is φ = 109131261991360.

The previous prime is 110111020012111. The next prime is 110111020012171. The reversal of 110111020012121 is 121210020111011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110111020012121 is a prime.

It is a super-2 number, since 2×110111020012121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110111020012096 and 110111020012105.

It is not an unprimeable number, because it can be changed into a prime (110111020012111) 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, 21441275 + ... + 26075856.

It is an arithmetic number, because the mean of its divisors is an integer number (13886359138548).

Almost surely, 2^{110111020012121} is an apocalyptic number.

It is an amenable number.

110111020012121 is a deficient number, since it is larger than the sum of its proper divisors (979853096263).

110111020012121 is a wasteful number, since it uses less digits than its factorization.

110111020012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47537751.

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

Adding to 110111020012121 its reverse (121210020111011), we get a palindrome (231321040123132).

The spelling of 110111020012121 in words is "one hundred ten trillion, one hundred eleven billion, twenty million, twelve thousand, one hundred twenty-one".