121344111019 has 8 divisors (see below), whose sum is σ = 121488625152. Its totient is φ = 121199650920.

The previous prime is 121344111001. The next prime is 121344111041. The reversal of 121344111019 is 910111443121.

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 121344111019 - 2²¹ = 121342013867 is a prime.

It is a super-2 number, since 2×121344111019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121344111319) 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, 6014062 + ... + 6034204.

It is an arithmetic number, because the mean of its divisors is an integer number (15186078144).

Almost surely, 2^121344111019 is an apocalyptic number.

121344111019 is a deficient number, since it is larger than the sum of its proper divisors (144514133).

121344111019 is a wasteful number, since it uses less digits than its factorization.

121344111019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27017.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 121344111019 in words is "one hundred twenty-one billion, three hundred forty-four million, one hundred eleven thousand, nineteen".