121003020023153 has 2 divisors, whose sum is σ = 121003020023154. Its totient is φ = 121003020023152.

The previous prime is 121003020023069. The next prime is 121003020023251. The reversal of 121003020023153 is 351320020300121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73122474164224 + 47880545858929 = 8551168^2 + 6919577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121003020023153 is a prime.

It is a super-2 number, since 2×121003020023153² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121003020023653) 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, 60501510011576 + 60501510011577.

It is an arithmetic number, because the mean of its divisors is an integer number (60501510011577).

Almost surely, 2^{121003020023153} is an apocalyptic number.

It is an amenable number.

121003020023153 is a deficient number, since it is larger than the sum of its proper divisors (1).

121003020023153 is an equidigital number, since it uses as much as digits as its factorization.

121003020023153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 121003020023153 its reverse (351320020300121), we get a palindrome (472323040323274).

The spelling of 121003020023153 in words is "one hundred twenty-one trillion, three billion, twenty million, twenty-three thousand, one hundred fifty-three".