1102221212221 has 8 divisors (see below), whose sum is σ = 1128485486304. Its totient is φ = 1075985630160.

The previous prime is 1102221212153. The next prime is 1102221212327. The reversal of 1102221212221 is 1222121222011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1102221212221 - 2⁹ = 1102221211709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102221212621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7095250 + ... + 7248931.

It is an arithmetic number, because the mean of its divisors is an integer number (141060685788).

Almost surely, 2^{1102221212221} is an apocalyptic number.

It is an amenable number.

1102221212221 is a deficient number, since it is larger than the sum of its proper divisors (26264274083).

1102221212221 is a wasteful number, since it uses less digits than its factorization.

1102221212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14346011.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1102221212221 its reverse (1222121222011), we get a palindrome (2324342434232).

The spelling of 1102221212221 in words is "one trillion, one hundred two billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twenty-one".