121112021021119 has 4 divisors (see below), whose sum is σ = 121122856857744. Its totient is φ = 121101185184496.

The previous prime is 121112021021107. The next prime is 121112021021161. The reversal of 121112021021119 is 911120120211121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121112021021119 - 2¹¹ = 121112021019071 is a prime.

It is a super-2 number, since 2×121112021021119² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121112021021093 and 121112021021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112021021179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5417901547 + ... + 5417923900.

It is an arithmetic number, because the mean of its divisors is an integer number (30280714214436).

Almost surely, 2^{121112021021119} is an apocalyptic number.

121112021021119 is a deficient number, since it is larger than the sum of its proper divisors (10835836625).

121112021021119 is a wasteful number, since it uses less digits than its factorization.

121112021021119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10835836624.

The product of its (nonzero) digits is 144, while the sum is 25.

The spelling of 121112021021119 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty-one million, twenty-one thousand, one hundred nineteen".