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122220203011 = 294214489759
BaseRepresentation
bin111000111010011100…
…1000100110000000011
3102200110201212121110121
41301310321010300003
54000301332444021
6132051443041111
711554505404324
oct1616471046003
9380421777417
10122220203011
1147919133545
121b82b370197
13b6aa17066a
145cb616244b
1532a4d63741
hex1c74e44c03

122220203011 has 4 divisors (see below), whose sum is σ = 126434692800. Its totient is φ = 118005713224.

The previous prime is 122220203003. The next prime is 122220203089. The reversal of 122220203011 is 110302022221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110302022221 = 233473399237.

It is a cyclic number.

It is not a de Polignac number, because 122220203011 - 23 = 122220203003 is a prime.

It is a super-2 number, since 2×1222202030112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122220203311) 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, 2107244851 + ... + 2107244908.

It is an arithmetic number, because the mean of its divisors is an integer number (31608673200).

Almost surely, 2122220203011 is an apocalyptic number.

122220203011 is a deficient number, since it is larger than the sum of its proper divisors (4214489789).

122220203011 is an equidigital number, since it uses as much as digits as its factorization.

122220203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214489788.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122220203011 its reverse (110302022221), we get a palindrome (232522225232).

The spelling of 122220203011 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred three thousand, eleven".

Divisors: 1 29 4214489759 122220203011