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10220112012221 = 27145918214461
BaseRepresentation
bin1001010010111000111000…
…1001010110001110111101
31100012000220011211000110022
42110232032021112032331
52314421242133342341
633423015445221525
72103243621520406
oct224561611261675
940160804730408
1010220112012221
11329036387a721
121190886a018a5
135919a2110537
142749283329ad
1512acaddabe4b
hex94b8e2563bd

10220112012221 has 8 divisors (see below), whose sum is σ = 10260060185088. Its totient is φ = 10180180278000.

The previous prime is 10220112012191. The next prime is 10220112012247. The reversal of 10220112012221 is 12221021102201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10220112012221 - 226 = 10220044903357 is a prime.

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 10220112012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220112014221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2863070 + ... + 5351391.

It is an arithmetic number, because the mean of its divisors is an integer number (1282507523136).

Almost surely, 210220112012221 is an apocalyptic number.

It is an amenable number.

10220112012221 is a deficient number, since it is larger than the sum of its proper divisors (39948172867).

10220112012221 is an equidigital number, since it uses as much as digits as its factorization.

10220112012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219323.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10220112012221 its reverse (12221021102201), we get a palindrome (22441133114422).

The spelling of 10220112012221 in words is "ten trillion, two hundred twenty billion, one hundred twelve million, twelve thousand, two hundred twenty-one".

Divisors: 1 271 4591 1244161 8214461 2226118931 37712590451 10220112012221