210021202122019 has 2 divisors, whose sum is σ = 210021202122020. Its totient is φ = 210021202122018.

The previous prime is 210021202121953. The next prime is 210021202122073. The reversal of 210021202122019 is 910221202120012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210021202122019 - 2¹⁷ = 210021201990947 is a prime.

It is a super-2 number, since 2×210021202122019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210021202121984 and 210021202122002.

It is not a weakly prime, because it can be changed into another prime (210021202129019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010601061009 + 105010601061010.

It is an arithmetic number, because the mean of its divisors is an integer number (105010601061010).

Almost surely, 2^{210021202122019} is an apocalyptic number.

210021202122019 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021202122019 is an equidigital number, since it uses as much as digits as its factorization.

210021202122019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 210021202122019 in words is "two hundred ten trillion, twenty-one billion, two hundred two million, one hundred twenty-two thousand, nineteen".