20021220201119 has 2 divisors, whose sum is σ = 20021220201120. Its totient is φ = 20021220201118.

The previous prime is 20021220201071. The next prime is 20021220201127. The reversal of 20021220201119 is 91110202212002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20021220201119 is a prime.

It is a super-2 number, since 2×20021220201119² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20021220201094 and 20021220201103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20021220204119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010610100559 + 10010610100560.

It is an arithmetic number, because the mean of its divisors is an integer number (10010610100560).

Almost surely, 2^{20021220201119} is an apocalyptic number.

20021220201119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021220201119 is an equidigital number, since it uses as much as digits as its factorization.

20021220201119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 20021220201119 in words is "twenty trillion, twenty-one billion, two hundred twenty million, two hundred one thousand, one hundred nineteen".