Search a number
-
+
10222212111109 = 51891969977281
BaseRepresentation
bin1001010011000000101101…
…0100100101101100000101
31100012020022112112002112121
42110300023110211230011
52314440042300023414
633424004105445541
72103346642205605
oct224601324455405
940166275462477
1010222212111109
113291241276039
1211911721a08b1
13591c482343bb
14274a87206c05
1512ad83443724
hex94c0b525b05

10222212111109 has 4 divisors (see below), whose sum is σ = 10224182093580. Its totient is φ = 10220242128640.

The previous prime is 10222212111091. The next prime is 10222212111151. The reversal of 10222212111109 is 90111121222201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7278853264225 + 2943358846884 = 2697935^2 + 1715622^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222212111109 - 221 = 10222210013957 is a prime.

It is a super-2 number, since 2×102222121111092 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222212111169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984983452 + ... + 984993829.

It is an arithmetic number, because the mean of its divisors is an integer number (2556045523395).

Almost surely, 210222212111109 is an apocalyptic number.

It is an amenable number.

10222212111109 is a deficient number, since it is larger than the sum of its proper divisors (1969982471).

10222212111109 is an equidigital number, since it uses as much as digits as its factorization.

10222212111109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969982470.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 10222212111109 in words is "ten trillion, two hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, one hundred nine".

Divisors: 1 5189 1969977281 10222212111109