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2222012000021 = 112923946496269
BaseRepresentation
bin100000010101011010001…
…111000110011100010101
321212102101211120222212112
4200111122033012130111
5242401140033000041
64420440032400405
7316351346240162
oct40253217063425
97772354528775
102222012000021
11787393934440
122ba7833a6105
131316c5047518
1479790157069
153cbedb50deb
hex2055a3c6715

2222012000021 has 32 divisors (see below), whose sum is σ = 2519035200000. Its totient is φ = 1941467368960.

The previous prime is 2222011999951. The next prime is 2222012000041. The reversal of 2222012000021 is 1200002102222.

It is a cyclic number.

It is not a de Polignac number, because 2222012000021 - 214 = 2222011983637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222012000041) 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 31 ways as a sum of consecutive naturals, for example, 354441275 + ... + 354447543.

It is an arithmetic number, because the mean of its divisors is an integer number (78719850000).

Almost surely, 22222012000021 is an apocalyptic number.

It is an amenable number.

2222012000021 is a deficient number, since it is larger than the sum of its proper divisors (297023199979).

2222012000021 is a wasteful number, since it uses less digits than its factorization.

2222012000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2222012000021 its reverse (1200002102222), we get a palindrome (3422014102243).

It can be divided in two parts, 222201 and 2000021, that added together give a palindrome (2222222).

The spelling of 2222012000021 in words is "two trillion, two hundred twenty-two billion, twelve million, twenty-one", and thus it is an aban number.

Divisors: 1 11 29 239 319 2629 4649 6269 6931 51139 68959 76241 134821 181801 1111111 1483031 1498291 1999811 12222221 16481201 29144581 32222219 43450439 320590391 354444409 477954829 845192849 6965554859 9297121339 76621103449 202001090911 2222012000021