Search a number
-
+
1022211022211 = 7121168233831
BaseRepresentation
bin11101110000000001000…
…01100101110110000011
310121201111122101021000022
432320000201211312003
5113221442010202321
62101333001444055
7133565225216561
oct16700041456603
93551448337008
101022211022211
113645765226a5
121461404a062b
1375517a63a32
1437692238a31
151b8cb679dab
hexee00865d83

1022211022211 has 8 divisors (see below), whose sum is σ = 1041521211648. Its totient is φ = 1003037301000.

The previous prime is 1022211022199. The next prime is 1022211022229. The reversal of 1022211022211 is 1122201122201.

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-1022211022211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022211022211.

It is not an unprimeable number, because it can be changed into a prime (1022211022111) 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 7 ways as a sum of consecutive naturals, for example, 34101935 + ... + 34131896.

It is an arithmetic number, because the mean of its divisors is an integer number (130190151456).

Almost surely, 21022211022211 is an apocalyptic number.

1022211022211 is a deficient number, since it is larger than the sum of its proper divisors (19310189437).

1022211022211 is an equidigital number, since it uses as much as digits as its factorization.

1022211022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68234113.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022211022211 its reverse (1122201122201), we get a palindrome (2144412144412).

The spelling of 1022211022211 in words is "one trillion, twenty-two billion, two hundred eleven million, twenty-two thousand, two hundred eleven".

Divisors: 1 71 211 14981 68233831 4844602001 14397338341 1022211022211