Search a number
-
+
1022010112121 = 1795709553699
BaseRepresentation
bin11101101111101001000…
…11001011100001111001
310121200222122022222011212
432313310203023201321
5113221034042041441
62101301023332505
7133560235422065
oct16676443134171
93550878288155
101022010112121
113644830789a9
121460a5151135
13754b524b41b
143767369aaa5
151b8b8be0eeb
hexedf48cb879

1022010112121 has 4 divisors (see below), whose sum is σ = 1027719666000. Its totient is φ = 1016300558244.

The previous prime is 1022010112117. The next prime is 1022010112159. The reversal of 1022010112121 is 1212110102201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022010112121 - 22 = 1022010112117 is a prime.

It is a super-2 number, since 2×10220101121212 (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 = 1022010112096 and 1022010112105.

It is not an unprimeable number, because it can be changed into a prime (1022010112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854776671 + ... + 2854777028.

It is an arithmetic number, because the mean of its divisors is an integer number (256929916500).

Almost surely, 21022010112121 is an apocalyptic number.

It is an amenable number.

1022010112121 is a deficient number, since it is larger than the sum of its proper divisors (5709553879).

1022010112121 is an equidigital number, since it uses as much as digits as its factorization.

1022010112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709553878.

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

Adding to 1022010112121 its reverse (1212110102201), we get a palindrome (2234120214322).

The spelling of 1022010112121 in words is "one trillion, twenty-two billion, ten million, one hundred twelve thousand, one hundred twenty-one".

Divisors: 1 179 5709553699 1022010112121