100021212001019 has 2 divisors, whose sum is σ = 100021212001020. Its totient is φ = 100021212001018.

The previous prime is 100021212000977. The next prime is 100021212001153. The reversal of 100021212001019 is 910100212120001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100021212001019 - 2⁴⁴ = 82429025956603 is a prime.

It is a super-2 number, since 2×100021212001019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100021212006019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010606000509 + 50010606000510.

It is an arithmetic number, because the mean of its divisors is an integer number (50010606000510).

Almost surely, 2^{100021212001019} is an apocalyptic number.

100021212001019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021212001019 is an equidigital number, since it uses as much as digits as its factorization.

100021212001019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 100021212001019 in words is "one hundred trillion, twenty-one billion, two hundred twelve million, one thousand, nineteen".