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22020101201201 = 86501254564701
BaseRepresentation
bin1010000000110111101000…
…10011110101110100110001
32212222002201201021011211012
411000123310103311310301
510341234131401414301
6114455521141400305
74431620430641045
oct500336423656461
985862651234735
1022020101201201
11701a7440798a4
122577787409095
13c396431971ac
14561ac8618025
15282bd791eebb
hex1406f44f5d31

22020101201201 has 4 divisors (see below), whose sum is σ = 22020355852404. Its totient is φ = 22019846550000.

The previous prime is 22020101201149. The next prime is 22020101201207. The reversal of 22020101201201 is 10210210102022.

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 13652249061025 + 8367852140176 = 3694895^2 + 2892724^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020101201201 - 214 = 22020101184817 is a prime.

It is a super-2 number, since 2×220201012012012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22020101201207) 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, 127195850 + ... + 127368851.

It is an arithmetic number, because the mean of its divisors is an integer number (5505088963101).

Almost surely, 222020101201201 is an apocalyptic number.

It is an amenable number.

22020101201201 is a deficient number, since it is larger than the sum of its proper divisors (254651203).

22020101201201 is an equidigital number, since it uses as much as digits as its factorization.

22020101201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254651202.

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

Adding to 22020101201201 its reverse (10210210102022), we get a palindrome (32230311303223).

The spelling of 22020101201201 in words is "twenty-two trillion, twenty billion, one hundred one million, two hundred one thousand, two hundred one".

Divisors: 1 86501 254564701 22020101201201