1034215510421 has 2 divisors, whose sum is σ = 1034215510422. Its totient is φ = 1034215510420.

The previous prime is 1034215510417. The next prime is 1034215510451. The reversal of 1034215510421 is 1240155124301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712969140625 + 321246369796 = 844375^2 + 566786^2 .

It is an emirp because it is prime and its reverse (1240155124301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1034215510421 - 2² = 1034215510417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1034215510451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517107755210 + 517107755211.

It is an arithmetic number, because the mean of its divisors is an integer number (517107755211).

Almost surely, 2^{1034215510421} is an apocalyptic number.

It is an amenable number.

1034215510421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1034215510421 is an equidigital number, since it uses as much as digits as its factorization.

1034215510421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 1034215510421 in words is "one trillion, thirty-four billion, two hundred fifteen million, five hundred ten thousand, four hundred twenty-one".