1100011121123 has 4 divisors (see below), whose sum is σ = 1100113164288. Its totient is φ = 1099909077960.

The previous prime is 1100011121113. The next prime is 1100011121141. The reversal of 1100011121123 is 3211211100011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100011121123 - 2¹² = 1100011117027 is a prime.

It is a super-2 number, since 2×1100011121123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100011121098 and 1100011121107.

It is not an unprimeable number, because it can be changed into a prime (1100011121113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51005411 + ... + 51026972.

It is an arithmetic number, because the mean of its divisors is an integer number (275028291072).

Almost surely, 2^{1100011121123} is an apocalyptic number.

1100011121123 is a deficient number, since it is larger than the sum of its proper divisors (102043165).

1100011121123 is a wasteful number, since it uses less digits than its factorization.

1100011121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102043164.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1100011121123 its reverse (3211211100011), we get a palindrome (4311222221134).

The spelling of 1100011121123 in words is "one trillion, one hundred billion, eleven million, one hundred twenty-one thousand, one hundred twenty-three".