201020022001919 has 2 divisors, whose sum is σ = 201020022001920. Its totient is φ = 201020022001918.

The previous prime is 201020022001907. The next prime is 201020022001937. The reversal of 201020022001919 is 919100220020102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201020022001919 is a prime.

It is a super-2 number, since 2×201020022001919² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201020022001891 and 201020022001900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020022001969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510011000959 + 100510011000960.

It is an arithmetic number, because the mean of its divisors is an integer number (100510011000960).

Almost surely, 2^{201020022001919} is an apocalyptic number.

201020022001919 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020022001919 is an equidigital number, since it uses as much as digits as its factorization.

201020022001919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 201020022001919 in words is "two hundred one trillion, twenty billion, twenty-two million, one thousand, nine hundred nineteen".