1121120210021 has 8 divisors (see below), whose sum is σ = 1300403826240. Its totient is φ = 946617490368.

The previous prime is 1121120209991. The next prime is 1121120210027. The reversal of 1121120210021 is 1200120211211.

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 1121120210021 - 2¹⁰ = 1121120208997 is a prime.

It is a super-2 number, since 2×1121120210021² (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 = 1121120209978 and 1121120210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121120210027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195223636 + ... + 1195224573.

It is an arithmetic number, because the mean of its divisors is an integer number (162550478280).

Almost surely, 2^{1121120210021} is an apocalyptic number.

It is an amenable number.

1121120210021 is a deficient number, since it is larger than the sum of its proper divisors (179283616219).

1121120210021 is an equidigital number, since it uses as much as digits as its factorization.

1121120210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390448283.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121120210021 its reverse (1200120211211), we get a palindrome (2321240421232).

The spelling of 1121120210021 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, two hundred ten thousand, twenty-one".