20040121034119 has 2 divisors, whose sum is σ = 20040121034120. Its totient is φ = 20040121034118.

The previous prime is 20040121034027. The next prime is 20040121034147. The reversal of 20040121034119 is 91143012104002.

It is an a-pointer prime, because the next prime (20040121034147) can be obtained adding 20040121034119 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20040121034119 - 2¹⁹ = 20040120509831 is a prime.

It is a super-2 number, since 2×20040121034119² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20040121034519) 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 as a sum of consecutive naturals, namely, 10020060517059 + 10020060517060.

It is an arithmetic number, because the mean of its divisors is an integer number (10020060517060).

Almost surely, 2^{20040121034119} is an apocalyptic number.

20040121034119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20040121034119 is an equidigital number, since it uses as much as digits as its factorization.

20040121034119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 20040121034119 in words is "twenty trillion, forty billion, one hundred twenty-one million, thirty-four thousand, one hundred nineteen".