1010101112121 has 8 divisors (see below), whose sum is σ = 1350412212160. Its totient is φ = 671595376752.

The previous prime is 1010101112093. The next prime is 1010101112171. The reversal of 1010101112121 is 1212111010101.

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

It is not a de Polignac number, because 1010101112121 - 2⁷ = 1010101111993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010101112097 and 1010101112106.

It is not an unprimeable number, because it can be changed into a prime (1010101112171) 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, 451339861 + ... + 451342098.

It is an arithmetic number, because the mean of its divisors is an integer number (168801526520).

Almost surely, 2^{1010101112121} is an apocalyptic number.

It is an amenable number.

1010101112121 is a deficient number, since it is larger than the sum of its proper divisors (340311100039).

1010101112121 is an equidigital number, since it uses as much as digits as its factorization.

1010101112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902682335.

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

Adding to 1010101112121 its reverse (1212111010101), we get a palindrome (2222212122222).

The spelling of 1010101112121 in words is "one trillion, ten billion, one hundred one million, one hundred twelve thousand, one hundred twenty-one".