1102121000221 has 8 divisors (see below), whose sum is σ = 1109544845888. Its totient is φ = 1094698800000.

The previous prime is 1102121000203. The next prime is 1102121000231. The reversal of 1102121000221 is 1220001212011.

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 1102121000221 - 2²⁷ = 1101986782493 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 (1102121000231) 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, 947821 + ... + 1761421.

It is an arithmetic number, because the mean of its divisors is an integer number (138693105736).

Almost surely, 2^{1102121000221} is an apocalyptic number.

It is an amenable number.

1102121000221 is a deficient number, since it is larger than the sum of its proper divisors (7423845667).

1102121000221 is an equidigital number, since it uses as much as digits as its factorization.

1102121000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822723.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1102121000221 its reverse (1220001212011), we get a palindrome (2322122212232).

The spelling of 1102121000221 in words is "one trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty-one", and thus it is an aban number.