Search a number
-
+
122002221101 = 291741824553
BaseRepresentation
bin111000110011111100…
…1100010100000101101
3102122220112200222111112
41301213321202200231
53444330032033401
6132014055001405
711546220524465
oct1614771424055
9378815628445
10122002221101
1147817089502
121b78a369265
13b673c5b697
145c9521cba5
153290b563bb
hex1c67e6282d

122002221101 has 4 divisors (see below), whose sum is σ = 122044048572. Its totient is φ = 121960393632.

The previous prime is 122002221059. The next prime is 122002221109. The reversal of 122002221101 is 101122200221.

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 121079641225 + 922579876 = 347965^2 + 30374^2 .

It is a cyclic number.

It is not a de Polignac number, because 122002221101 - 26 = 122002221037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002221109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20909360 + ... + 20915193.

It is an arithmetic number, because the mean of its divisors is an integer number (30511012143).

Almost surely, 2122002221101 is an apocalyptic number.

It is an amenable number.

122002221101 is a deficient number, since it is larger than the sum of its proper divisors (41827471).

122002221101 is an equidigital number, since it uses as much as digits as its factorization.

122002221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41827470.

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

Adding to 122002221101 its reverse (101122200221), we get a palindrome (223124421322).

The spelling of 122002221101 in words is "one hundred twenty-two billion, two million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 2917 41824553 122002221101