2022210202021 has 2 divisors, whose sum is σ = 2022210202022. Its totient is φ = 2022210202020.

The previous prime is 2022210201997. The next prime is 2022210202037. The reversal of 2022210202021 is 1202020122202.

It is an a-pointer prime, because the next prime (2022210202037) can be obtained adding 2022210202021 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1369459317121 + 652750884900 = 1170239^2 + 807930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022210202021 - 2⁵ = 2022210201989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022210201986 and 2022210202004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022210209021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011105101010 + 1011105101011.

It is an arithmetic number, because the mean of its divisors is an integer number (1011105101011).

Almost surely, 2^{2022210202021} is an apocalyptic number.

It is an amenable number.

2022210202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022210202021 is an equidigital number, since it uses as much as digits as its factorization.

2022210202021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2022210202021 its reverse (1202020122202), we get a palindrome (3224230324223).

The spelling of 2022210202021 in words is "two trillion, twenty-two billion, two hundred ten million, two hundred two thousand, twenty-one".