1121010101121 has 8 divisors (see below), whose sum is σ = 1494685387744. Its totient is φ = 747337440960.

The previous prime is 1121010101111. The next prime is 1121010101129. The reversal of 1121010101121 is 1211010101211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121010101121 - 2²⁹ = 1120473230209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121010101097 and 1121010101106.

It is not an unprimeable number, because it can be changed into a prime (1121010101129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802470 + ... + 1698816.

It is an arithmetic number, because the mean of its divisors is an integer number (186835673468).

Almost surely, 2^{1121010101121} is an apocalyptic number.

It is an amenable number.

1121010101121 is a deficient number, since it is larger than the sum of its proper divisors (373675286623).

1121010101121 is an equidigital number, since it uses as much as digits as its factorization.

1121010101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313231.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1121010101121 its reverse (1211010101211), we get a palindrome (2332020202332).

The spelling of 1121010101121 in words is "one trillion, one hundred twenty-one billion, ten million, one hundred one thousand, one hundred twenty-one".