1122203423121 has 16 divisors (see below), whose sum is σ = 1718206199040. Its totient is φ = 644327323920.

The previous prime is 1122203423017. The next prime is 1122203423149. The reversal of 1122203423121 is 1213243022211.

It is not a de Polignac number, because 1122203423121 - 2⁷ = 1122203422993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1122203423091 and 1122203423100.

It is not an unprimeable number, because it can be changed into a prime (1122203423171) 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, 894898435 + ... + 894899688.

It is an arithmetic number, because the mean of its divisors is an integer number (107387887440).

Almost surely, 2^{1122203423121} is an apocalyptic number.

1122203423121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122203423121 is a deficient number, since it is larger than the sum of its proper divisors (596002775919).

1122203423121 is a wasteful number, since it uses less digits than its factorization.

1122203423121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789798156.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1122203423121 its reverse (1213243022211), we get a palindrome (2335446445332).

The spelling of 1122203423121 in words is "one trillion, one hundred twenty-two billion, two hundred three million, four hundred twenty-three thousand, one hundred twenty-one".