1102201202221 has 16 divisors (see below), whose sum is σ = 1300505632768. Its totient is φ = 914118534000.

The previous prime is 1102201202213. The next prime is 1102201202243. The reversal of 1102201202221 is 1222021022011.

It is a happy number.

It is not a de Polignac number, because 1102201202221 - 2³ = 1102201202213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102201202195 and 1102201202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102201202251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921886 + ... + 1747648.

It is an arithmetic number, because the mean of its divisors is an integer number (81281602048).

Almost surely, 2^{1102201202221} is an apocalyptic number.

It is an amenable number.

1102201202221 is a deficient number, since it is larger than the sum of its proper divisors (198304430547).

1102201202221 is an equidigital number, since it uses as much as digits as its factorization.

1102201202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831952.

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

Adding to 1102201202221 its reverse (1222021022011), we get a palindrome (2324222224232).

The spelling of 1102201202221 in words is "one trillion, one hundred two billion, two hundred one million, two hundred two thousand, two hundred twenty-one".