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112122201202221 = 3724732158977937
BaseRepresentation
bin11001011111100101111011…
…111110010101111000101101
3112200222202222222111220100210
4121133211323332111320231
5104144002232001432341
61034244121140413033
732421363445224330
oct3137457376257055
9480882888456323
10112122201202221
11327a8838616991
12106aa04a3a7179
134a74102a827c2
141d98a5a208617
15ce6850a4dc16
hex65f97bf95e2d

112122201202221 has 16 divisors (see below), whose sum is σ = 170921965395584. Its totient is φ = 64043921493504.

The previous prime is 112122201202189. The next prime is 112122201202273. The reversal of 112122201202221 is 122202102221211.

It is not a de Polignac number, because 112122201202221 - 25 = 112122201202189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122201202721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079437036 + ... + 1079540901.

It is an arithmetic number, because the mean of its divisors is an integer number (10682622837224).

Almost surely, 2112122201202221 is an apocalyptic number.

It is an amenable number.

112122201202221 is a deficient number, since it is larger than the sum of its proper divisors (58799764193363).

112122201202221 is a wasteful number, since it uses less digits than its factorization.

112122201202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158980420.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112122201202221 its reverse (122202102221211), we get a palindrome (234324303423432).

The spelling of 112122201202221 in words is "one hundred twelve trillion, one hundred twenty-two billion, two hundred one million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 3 7 21 2473 7419 17311 51933 2158977937 6476933811 15112845559 45338536677 5339152438201 16017457314603 37374067067407 112122201202221