2200220110021 has 4 divisors (see below), whose sum is σ = 2211620214412. Its totient is φ = 2188820005632.

The previous prime is 2200220110013. The next prime is 2200220110031. The reversal of 2200220110021 is 1200110220022.

It is a happy number.

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 691533612225 + 1508686497796 = 831585^2 + 1228286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200220110021 - 2³ = 2200220110013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200220109983 and 2200220110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200220110031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5700051906 + ... + 5700052291.

It is an arithmetic number, because the mean of its divisors is an integer number (552905053603).

Almost surely, 2^{2200220110021} is an apocalyptic number.

It is an amenable number.

2200220110021 is a deficient number, since it is larger than the sum of its proper divisors (11400104391).

2200220110021 is a wasteful number, since it uses less digits than its factorization.

2200220110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11400104390.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2200220110021 its reverse (1200110220022), we get a palindrome (3400330330043).

The spelling of 2200220110021 in words is "two trillion, two hundred billion, two hundred twenty million, one hundred ten thousand, twenty-one".