Search a number
-
+
120221112100211 = 577208355480243
BaseRepresentation
bin11011010101011100101000…
…101011100110010101110011
3120202200000201000012112101022
4123111130220223212111303
5111224200314144201321
61103404452204330055
734215455142055553
oct3325345053462563
9522600630175338
10120221112100211
113534053a693811
12115977a724392b
135210a5764cc25
142198a39005163
15dd73612bbdab
hex6d5728ae6573

120221112100211 has 4 divisors (see below), whose sum is σ = 120429467581032. Its totient is φ = 120012756619392.

The previous prime is 120221112100207. The next prime is 120221112100289. The reversal of 120221112100211 is 112001211122021.

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 120221112100211 - 22 = 120221112100207 is a prime.

It is a super-2 number, since 2×1202211121002112 (a number of 29 digits) contains 22 as substring.

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 120221112100211.

It is not an unprimeable number, because it can be changed into a prime (120221112102211) 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, 104177739545 + ... + 104177740698.

It is an arithmetic number, because the mean of its divisors is an integer number (30107366895258).

Almost surely, 2120221112100211 is an apocalyptic number.

120221112100211 is a deficient number, since it is larger than the sum of its proper divisors (208355480821).

120221112100211 is an equidigital number, since it uses as much as digits as its factorization.

120221112100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208355480820.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120221112100211 its reverse (112001211122021), we get a palindrome (232222323222232).

The spelling of 120221112100211 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred twelve million, one hundred thousand, two hundred eleven".

Divisors: 1 577 208355480243 120221112100211