2021220022069 has 2 divisors, whose sum is σ = 2021220022070. Its totient is φ = 2021220022068.

The previous prime is 2021220022049. The next prime is 2021220022141. The reversal of 2021220022069 is 9602200221202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1982435840100 + 38784181969 = 1407990^2 + 196937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021220022069 - 2⁵ = 2021220022037 is a prime.

It is a super-2 number, since 2×2021220022069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021220022049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010610011034 + 1010610011035.

It is an arithmetic number, because the mean of its divisors is an integer number (1010610011035).

Almost surely, 2^{2021220022069} is an apocalyptic number.

It is an amenable number.

2021220022069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021220022069 is an equidigital number, since it uses as much as digits as its factorization.

2021220022069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 2021220022069 in words is "two trillion, twenty-one billion, two hundred twenty million, twenty-two thousand, sixty-nine".