Search a number
-
+
1022112211 = 5092008079
BaseRepresentation
bin111100111011000…
…011000111010011
32122020021200100211
4330323003013103
54043130042321
6245231224551
734220544661
oct7473030723
92566250324
101022112211
11484a5703a
12246378157
131339acb33
1499a65c31
155eaed0e1
hex3cec31d3

1022112211 has 4 divisors (see below), whose sum is σ = 1024120800. Its totient is φ = 1020103624.

The previous prime is 1022112209. The next prime is 1022112229. The reversal of 1022112211 is 1122112201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022112211 - 21 = 1022112209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022112191 and 1022112200.

It is not an unprimeable number, because it can be changed into a prime (1022112271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003531 + ... + 1004548.

It is an arithmetic number, because the mean of its divisors is an integer number (256030200).

Almost surely, 21022112211 is an apocalyptic number.

1022112211 is a deficient number, since it is larger than the sum of its proper divisors (2008589).

1022112211 is an equidigital number, since it uses as much as digits as its factorization.

1022112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008588.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1022112211 is about 31970.4896897123. The cubic root of 1022112211 is about 1007.3170669473.

Adding to 1022112211 its reverse (1122112201), we get a palindrome (2144224412).

The spelling of 1022112211 in words is "one billion, twenty-two million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 509 2008079 1022112211