121021122022019 has 8 divisors (see below), whose sum is σ = 134884222687440. Its totient is φ = 107907378149376.

The previous prime is 121021122022001. The next prime is 121021122022027. The reversal of 121021122022019 is 910220221120121.

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-121021122022019 is a prime.

It is a super-2 number, since 2×121021122022019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121021122022519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187339197854 + ... + 187339198499.

It is an arithmetic number, because the mean of its divisors is an integer number (16860527835930).

Almost surely, 2^{121021122022019} is an apocalyptic number.

121021122022019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

121021122022019 is a deficient number, since it is larger than the sum of its proper divisors (13863100665421).

121021122022019 is a wasteful number, since it uses less digits than its factorization.

121021122022019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374678396389.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 121021122022019 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred twenty-two million, twenty-two thousand, nineteen".