1030121311019 has 2 divisors, whose sum is σ = 1030121311020. Its totient is φ = 1030121311018.

The previous prime is 1030121310991. The next prime is 1030121311069. The reversal of 1030121311019 is 9101131210301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1030121311019 - 2³² = 1025826343723 is a prime.

It is a super-2 number, since 2×1030121311019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030121310985 and 1030121311003.

It is not a weakly prime, because it can be changed into another prime (1030121311069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515060655509 + 515060655510.

It is an arithmetic number, because the mean of its divisors is an integer number (515060655510).

Almost surely, 2^{1030121311019} is an apocalyptic number.

1030121311019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030121311019 is an equidigital number, since it uses as much as digits as its factorization.

1030121311019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 1030121311019 in words is "one trillion, thirty billion, one hundred twenty-one million, three hundred eleven thousand, nineteen".