1102120020221 has 8 divisors (see below), whose sum is σ = 1202418011424. Its totient is φ = 1001839572720.

The previous prime is 1102120020187. The next prime is 1102120020229. The reversal of 1102120020221 is 1220200212011.

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 1102120020221 - 2²⁶ = 1102052911357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102120020196 and 1102120020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102120020229) 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, 4254395 + ... + 4506008.

It is an arithmetic number, because the mean of its divisors is an integer number (150302251428).

Almost surely, 2^{1102120020221} is an apocalyptic number.

1102120020221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102120020221 is a deficient number, since it is larger than the sum of its proper divisors (100297991203).

1102120020221 is a wasteful number, since it uses less digits than its factorization.

1102120020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771851.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1102120020221 its reverse (1220200212011), we get a palindrome (2322320232232).

The spelling of 1102120020221 in words is "one trillion, one hundred two billion, one hundred twenty million, twenty thousand, two hundred twenty-one".