1102121111109 has 32 divisors (see below), whose sum is σ = 1526869517184. Its totient is φ = 706549996800.

The previous prime is 1102121111101. The next prime is 1102121111129. The reversal of 1102121111109 is 9011111212011.

It is a happy number.

It is not a de Polignac number, because 1102121111109 - 2³ = 1102121111101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102121111101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6224487 + ... + 6399099.

It is an arithmetic number, because the mean of its divisors is an integer number (47714672412).

Almost surely, 2^{1102121111109} is an apocalyptic number.

It is an amenable number.

1102121111109 is a deficient number, since it is larger than the sum of its proper divisors (424748406075).

1102121111109 is a wasteful number, since it uses less digits than its factorization.

1102121111109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175317.

The product of its (nonzero) digits is 36, while the sum is 21.

The spelling of 1102121111109 in words is "one trillion, one hundred two billion, one hundred twenty-one million, one hundred eleven thousand, one hundred nine".