1121020010121 has 32 divisors (see below), whose sum is σ = 1657771401600. Its totient is φ = 668164352000.

The previous prime is 1121020010083. The next prime is 1121020010167. The reversal of 1121020010121 is 1210100201211.

It is a cyclic number.

It is not a de Polignac number, because 1121020010121 - 2⁹ = 1121020009609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121020010097 and 1121020010106.

It is not an unprimeable number, because it can be changed into a prime (1121020010321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632040 + ... + 1625273.

It is an arithmetic number, because the mean of its divisors is an integer number (51805356300).

Almost surely, 2^{1121020010121} is an apocalyptic number.

1121020010121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121020010121 is a deficient number, since it is larger than the sum of its proper divisors (536751391479).

1121020010121 is a wasteful number, since it uses less digits than its factorization.

1121020010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257577.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121020010121 its reverse (1210100201211), we get a palindrome (2331120211332).

The spelling of 1121020010121 in words is "one trillion, one hundred twenty-one billion, twenty million, ten thousand, one hundred twenty-one".