2110022202221 has 2 divisors, whose sum is σ = 2110022202222. Its totient is φ = 2110022202220.

The previous prime is 2110022202193. The next prime is 2110022202229. The reversal of 2110022202221 is 1222022200112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1786419364900 + 323602837321 = 1336570^2 + 568861^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110022202221 - 2¹⁴ = 2110022185837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2110022202221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110022202229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055011101110 + 1055011101111.

It is an arithmetic number, because the mean of its divisors is an integer number (1055011101111).

Almost surely, 2^{2110022202221} is an apocalyptic number.

It is an amenable number.

2110022202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110022202221 is an equidigital number, since it uses as much as digits as its factorization.

2110022202221 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 17.

Adding to 2110022202221 its reverse (1222022200112), we get a palindrome (3332044402333).

The spelling of 2110022202221 in words is "two trillion, one hundred ten billion, twenty-two million, two hundred two thousand, two hundred twenty-one".