2202201112021 has 2 divisors, whose sum is σ = 2202201112022. Its totient is φ = 2202201112020.

The previous prime is 2202201111989. The next prime is 2202201112103. The reversal of 2202201112021 is 1202111022022.

It is a happy number.

2202201112021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1912661340100 + 289539771921 = 1382990^2 + 538089^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202201112021 - 2⁵ = 2202201111989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202201111986 and 2202201112004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202201112621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101100556010 + 1101100556011.

It is an arithmetic number, because the mean of its divisors is an integer number (1101100556011).

Almost surely, 2^{2202201112021} is an apocalyptic number.

It is an amenable number.

2202201112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202201112021 is an equidigital number, since it uses as much as digits as its factorization.

2202201112021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2202201112021 its reverse (1202111022022), we get a palindrome (3404312134043).

The spelling of 2202201112021 in words is "two trillion, two hundred two billion, two hundred one million, one hundred twelve thousand, twenty-one".