2021000212019 has 2 divisors, whose sum is σ = 2021000212020. Its totient is φ = 2021000212018.

The previous prime is 2021000211961. The next prime is 2021000212057. The reversal of 2021000212019 is 9102120001202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021000212019 - 2¹² = 2021000207923 is a prime.

It is a super-2 number, since 2×2021000212019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2021000212619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010500106009 + 1010500106010.

It is an arithmetic number, because the mean of its divisors is an integer number (1010500106010).

Almost surely, 2^{2021000212019} is an apocalyptic number.

2021000212019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021000212019 is an equidigital number, since it uses as much as digits as its factorization.

2021000212019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 2021000212019 in words is "two trillion, twenty-one billion, two hundred twelve thousand, nineteen".