10021210021919 has 2 divisors, whose sum is σ = 10021210021920. Its totient is φ = 10021210021918.

The previous prime is 10021210021799. The next prime is 10021210021969. The reversal of 10021210021919 is 91912001212001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10021210021919 - 2¹² = 10021210017823 is a prime.

It is a super-2 number, since 2×10021210021919² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021210021891 and 10021210021900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021210021969) 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, 5010605010959 + 5010605010960.

It is an arithmetic number, because the mean of its divisors is an integer number (5010605010960).

Almost surely, 2^{10021210021919} is an apocalyptic number.

10021210021919 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021210021919 is an equidigital number, since it uses as much as digits as its factorization.

10021210021919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 10021210021919 in words is "ten trillion, twenty-one billion, two hundred ten million, twenty-one thousand, nine hundred nineteen".