1102102112121 has 8 divisors (see below), whose sum is σ = 1469482070784. Its totient is φ = 734728447440.

The previous prime is 1102102112117. The next prime is 1102102112129. The reversal of 1102102112121 is 1212112012011.

It is a happy number.

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

It is not a de Polignac number, because 1102102112121 - 2² = 1102102112117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102102112121.

It is not an unprimeable number, because it can be changed into a prime (1102102112129) 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, 1148521 + ... + 1877046.

It is an arithmetic number, because the mean of its divisors is an integer number (183685258848).

Almost surely, 2^{1102102112121} is an apocalyptic number.

It is an amenable number.

1102102112121 is a deficient number, since it is larger than the sum of its proper divisors (367379958663).

1102102112121 is a wasteful number, since it uses less digits than its factorization.

1102102112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146991.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1102102112121 its reverse (1212112012011), we get a palindrome (2314214124132).

The spelling of 1102102112121 in words is "one trillion, one hundred two billion, one hundred two million, one hundred twelve thousand, one hundred twenty-one".