1102121113121 has 16 divisors (see below), whose sum is σ = 1339979852160. Its totient is φ = 884892314880.

The previous prime is 1102121113111. The next prime is 1102121113147. The reversal of 1102121113121 is 1213111212011.

It is not a de Polignac number, because 1102121113121 - 2¹⁰ = 1102121112097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102121113121.

It is not an unprimeable number, because it can be changed into a prime (1102121113111) 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, 21921626 + ... + 21971843.

It is an arithmetic number, because the mean of its divisors is an integer number (83748740760).

Almost surely, 2^{1102121113121} is an apocalyptic number.

It is an amenable number.

1102121113121 is a deficient number, since it is larger than the sum of its proper divisors (237858739039).

1102121113121 is a wasteful number, since it uses less digits than its factorization.

1102121113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43893704.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1102121113121 its reverse (1213111212011), we get a palindrome (2315232325132).

The spelling of 1102121113121 in words is "one trillion, one hundred two billion, one hundred twenty-one million, one hundred thirteen thousand, one hundred twenty-one".