20221211101019 has 2 divisors, whose sum is σ = 20221211101020. Its totient is φ = 20221211101018.

The previous prime is 20221211100991. The next prime is 20221211101061. The reversal of 20221211101019 is 91010111212202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20221211101019 - 2²⁰ = 20221210052443 is a prime.

It is a super-2 number, since 2×20221211101019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20221211100985 and 20221211101003.

It is not a weakly prime, because it can be changed into another prime (20221211101079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110605550509 + 10110605550510.

It is an arithmetic number, because the mean of its divisors is an integer number (10110605550510).

Almost surely, 2^{20221211101019} is an apocalyptic number.

20221211101019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221211101019 is an equidigital number, since it uses as much as digits as its factorization.

20221211101019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 20221211101019 in words is "twenty trillion, two hundred twenty-one billion, two hundred eleven million, one hundred one thousand, nineteen".