20021011119959 has 2 divisors, whose sum is σ = 20021011119960. Its totient is φ = 20021011119958.

The previous prime is 20021011119943. The next prime is 20021011120037. The reversal of 20021011119959 is 95991111012002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20021011119959 - 2⁴ = 20021011119943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20021011119919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010505559979 + 10010505559980.

It is an arithmetic number, because the mean of its divisors is an integer number (10010505559980).

Almost surely, 2^{20021011119959} is an apocalyptic number.

20021011119959 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021011119959 is an equidigital number, since it uses as much as digits as its factorization.

20021011119959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 41.

The spelling of 20021011119959 in words is "twenty trillion, twenty-one billion, eleven million, one hundred nineteen thousand, nine hundred fifty-nine".