1121110023 has 16 divisors (see below), whose sum is σ = 1637715456. Its totient is φ = 676539840.

The previous prime is 1121110021. The next prime is 1121110031. The reversal of 1121110023 is 3200111211.

It is not a de Polignac number, because 1121110023 - 2¹ = 1121110021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121109990 and 1121110008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121110021) 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, 65215 + ... + 80592.

It is an arithmetic number, because the mean of its divisors is an integer number (102357216).

Almost surely, 2^1121110023 is an apocalyptic number.

1121110023 is a deficient number, since it is larger than the sum of its proper divisors (516605433).

1121110023 is a wasteful number, since it uses less digits than its factorization.

1121110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146054.

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

The square root of 1121110023 is about 33482.9810948786. The cubic root of 1121110023 is about 1038.8417897024.

Adding to 1121110023 its reverse (3200111211), we get a palindrome (4321221234).

The spelling of 1121110023 in words is "one billion, one hundred twenty-one million, one hundred ten thousand, twenty-three".