2202021002021 has 2 divisors, whose sum is σ = 2202021002022. Its totient is φ = 2202021002020.

The previous prime is 2202021002003. The next prime is 2202021002059. The reversal of 2202021002021 is 1202001202022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1218970564900 + 983050437121 = 1104070^2 + 991489^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202021002021 - 2²² = 2202016807717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202021001987 and 2202021002005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202021002521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101010501010 + 1101010501011.

It is an arithmetic number, because the mean of its divisors is an integer number (1101010501011).

Almost surely, 2^{2202021002021} is an apocalyptic number.

It is an amenable number.

2202021002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202021002021 is an equidigital number, since it uses as much as digits as its factorization.

2202021002021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2202021002021 its reverse (1202001202022), we get a palindrome (3404022204043).

The spelling of 2202021002021 in words is "two trillion, two hundred two billion, twenty-one million, two thousand, twenty-one".