1010120212121 has 8 divisors (see below), whose sum is σ = 1022926058880. Its totient is φ = 997314853392.

The previous prime is 1010120212069. The next prime is 1010120212147. The reversal of 1010120212121 is 1212120210101.

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 1010120212121 - 2¹⁰ = 1010120211097 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 = 1010120212096 and 1010120212105.

It is not an unprimeable number, because it can be changed into a prime (1010120212181) 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, 5940146 + ... + 6107828.

It is an arithmetic number, because the mean of its divisors is an integer number (127865757360).

Almost surely, 2^{1010120212121} is an apocalyptic number.

It is an amenable number.

1010120212121 is a deficient number, since it is larger than the sum of its proper divisors (12805846759).

1010120212121 is an equidigital number, since it uses as much as digits as its factorization.

1010120212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244015.

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

Adding to 1010120212121 its reverse (1212120210101), we get a palindrome (2222240422222).

The spelling of 1010120212121 in words is "one trillion, ten billion, one hundred twenty million, two hundred twelve thousand, one hundred twenty-one".