1121102002123 has 8 divisors (see below), whose sum is σ = 1132434102240. Its totient is φ = 1109774452800.

The previous prime is 1121102002117. The next prime is 1121102002133. The reversal of 1121102002123 is 3212002011211.

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 1121102002123 - 2¹³ = 1121101993931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121102002097 and 1121102002106.

It is not an unprimeable number, because it can be changed into a prime (1121102002133) 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, 641415 + ... + 1628992.

It is an arithmetic number, because the mean of its divisors is an integer number (141554262780).

Almost surely, 2^{1121102002123} is an apocalyptic number.

1121102002123 is a deficient number, since it is larger than the sum of its proper divisors (11332100117).

1121102002123 is a wasteful number, since it uses less digits than its factorization.

1121102002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275397.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1121102002123 its reverse (3212002011211), we get a palindrome (4333104013334).

The spelling of 1121102002123 in words is "one trillion, one hundred twenty-one billion, one hundred two million, two thousand, one hundred twenty-three".