1121033021121 has 40 divisors (see below), whose sum is σ = 1804755474984. Its totient is φ = 689366039040.

The previous prime is 1121033021093. The next prime is 1121033021149. The reversal of 1121033021121 is 1211203301211.

1121033021121 is a `hidden beast` number, since 1 + 1 + 210 + 330 + 2 + 1 + 121 = 666.

It is an interprime number because it is at equal distance from previous prime (1121033021093) and next prime (1121033021149).

It can be written as a sum of positive squares in 4 ways, for example, as 21775134096 + 1099257887025 = 147564^2 + 1048455^2 .

It is not a de Polignac number, because 1121033021121 - 2¹³ = 1121033012929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121033021094 and 1121033021103.

It is not an unprimeable number, because it can be changed into a prime (1121033021021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1068745 + ... + 1839641.

Almost surely, 2^{1121033021121} is an apocalyptic number.

It is an amenable number.

1121033021121 is a deficient number, since it is larger than the sum of its proper divisors (683722453863).

1121033021121 is a wasteful number, since it uses less digits than its factorization.

1121033021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772303 (or 772294 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1121033021121 its reverse (1211203301211), we get a palindrome (2332236322332).

The spelling of 1121033021121 in words is "one trillion, one hundred twenty-one billion, thirty-three million, twenty-one thousand, one hundred twenty-one".