Search a number
-
+
1022220010121 = 7921316072029
BaseRepresentation
bin11101110000000010000…
…11111000001010001001
310121201112021021220002212
432320001003320022021
5113222001310310441
62101333522234505
7133565364502442
oct16700103701211
93551467256085
101022220010121
11364580601422
121461434b5a35
137551988ca1b
14376934d82c9
151b8cc352eeb
hexee010f8289

1022220010121 has 8 divisors (see below), whose sum is σ = 1035645436800. Its totient is φ = 1008806731920.

The previous prime is 1022220010111. The next prime is 1022220010153. The reversal of 1022220010121 is 1210100222201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1022220010121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022220010096 and 1022220010105.

It is not an unprimeable number, because it can be changed into a prime (1022220010111) 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, 2867666 + ... + 3204363.

It is an arithmetic number, because the mean of its divisors is an integer number (129455679600).

Almost surely, 21022220010121 is an apocalyptic number.

It is an amenable number.

1022220010121 is a deficient number, since it is larger than the sum of its proper divisors (13425426679).

1022220010121 is an equidigital number, since it uses as much as digits as its factorization.

1022220010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6074239.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1022220010121 its reverse (1210100222201), we get a palindrome (2232320232322).

The spelling of 1022220010121 in words is "one trillion, twenty-two billion, two hundred twenty million, ten thousand, one hundred twenty-one".

Divisors: 1 79 2131 168349 6072029 479690291 12939493799 1022220010121