1100102123121 has 16 divisors (see below), whose sum is σ = 1477087847424. Its totient is φ = 728267846864.

The previous prime is 1100102123119. The next prime is 1100102123137. The reversal of 1100102123121 is 1213212010011.

It is a cyclic number.

It is not a de Polignac number, because 1100102123121 - 2¹ = 1100102123119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100102123121.

It is not an unprimeable number, because it can be changed into a prime (1100102123321) 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, 624411 + ... + 1609376.

It is an arithmetic number, because the mean of its divisors is an integer number (92317990464).

Almost surely, 2^{1100102123121} is an apocalyptic number.

It is an amenable number.

1100102123121 is a deficient number, since it is larger than the sum of its proper divisors (376985724303).

1100102123121 is a wasteful number, since it uses less digits than its factorization.

1100102123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234940.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1100102123121 its reverse (1213212010011), we get a palindrome (2313314133132).

The spelling of 1100102123121 in words is "one trillion, one hundred billion, one hundred two million, one hundred twenty-three thousand, one hundred twenty-one".