1102120012021 has 8 divisors (see below), whose sum is σ = 1259579571264. Its totient is φ = 944663913600.

The previous prime is 1102120012001. The next prime is 1102120012067. The reversal of 1102120012021 is 1202100212011.

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 1102120012021 - 2¹⁵ = 1102119979253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102120011992 and 1102120012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102120012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142555 + ... + 1491496.

It is an arithmetic number, because the mean of its divisors is an integer number (157447446408).

Almost surely, 2^{1102120012021} is an apocalyptic number.

It is an amenable number.

1102120012021 is a deficient number, since it is larger than the sum of its proper divisors (157459559243).

1102120012021 is an equidigital number, since it uses as much as digits as its factorization.

1102120012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730411.

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

Adding to 1102120012021 its reverse (1202100212011), we get a palindrome (2304220224032).

The spelling of 1102120012021 in words is "one trillion, one hundred two billion, one hundred twenty million, twelve thousand, twenty-one".