2200102022221 has 4 divisors (see below), whose sum is σ = 2329519788252. Its totient is φ = 2070684256192.

The previous prime is 2200102022219. The next prime is 2200102022227. The reversal of 2200102022221 is 1222202010022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1469053082025 + 731048940196 = 1212045^2 + 855014^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200102022221 - 2¹ = 2200102022219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200102022195 and 2200102022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200102022227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64708882990 + ... + 64708883023.

It is an arithmetic number, because the mean of its divisors is an integer number (582379947063).

Almost surely, 2^{2200102022221} is an apocalyptic number.

It is an amenable number.

2200102022221 is a deficient number, since it is larger than the sum of its proper divisors (129417766031).

2200102022221 is a wasteful number, since it uses less digits than its factorization.

2200102022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129417766030.

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

Adding to 2200102022221 its reverse (1222202010022), we get a palindrome (3422304032243).

The spelling of 2200102022221 in words is "two trillion, two hundred billion, one hundred two million, twenty-two thousand, two hundred twenty-one".