10221210010919 has 2 divisors, whose sum is σ = 10221210010920. Its totient is φ = 10221210010918.

The previous prime is 10221210010903. The next prime is 10221210011021. The reversal of 10221210010919 is 91901001212201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221210010919 - 2⁴ = 10221210010903 is a prime.

It is a super-2 number, since 2×10221210010919² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221210010891 and 10221210010900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221210010619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110605005459 + 5110605005460.

It is an arithmetic number, because the mean of its divisors is an integer number (5110605005460).

Almost surely, 2^{10221210010919} is an apocalyptic number.

10221210010919 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221210010919 is an equidigital number, since it uses as much as digits as its factorization.

10221210010919 is an evil number, because the sum of its binary digits is even.

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

The spelling of 10221210010919 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, ten thousand, nine hundred nineteen".