100021211200019 has 2 divisors, whose sum is σ = 100021211200020. Its totient is φ = 100021211200018.

The previous prime is 100021211200007. The next prime is 100021211200037. The reversal of 100021211200019 is 910002112120001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021211200019 is a prime.

It is a super-2 number, since 2×100021211200019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100021211200919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010605600009 + 50010605600010.

It is an arithmetic number, because the mean of its divisors is an integer number (50010605600010).

Almost surely, 2^{100021211200019} is an apocalyptic number.

100021211200019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021211200019 is an equidigital number, since it uses as much as digits as its factorization.

100021211200019 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 100021211200019 in words is "one hundred trillion, twenty-one billion, two hundred eleven million, two hundred thousand, nineteen".