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22221102222011 = 711839343963937
BaseRepresentation
bin1010000110101110000001…
…11001111000101010111011
32220200022112211010222201102
411003113000321320222323
510403032304132101021
6115132122231042015
74452264425300060
oct503270071705273
986608484128642
1022221102222011
117097a099a0820
1225aa72221030b
13c525969c0074
1456b715630c67
1528804dbc800b
hex1435c0e78abb

22221102222011 has 16 divisors (see below), whose sum is σ = 27737251960320. Its totient is φ = 17294506702080.

The previous prime is 22221102221999. The next prime is 22221102222019. The reversal of 22221102222011 is 11022220112222.

It is a cyclic number.

It is not a de Polignac number, because 22221102222011 - 26 = 22221102221947 is a prime.

It is a super-2 number, since 2×222211022220112 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22221102222019) 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 15 ways as a sum of consecutive naturals, for example, 171917366 + ... + 172046571.

It is an arithmetic number, because the mean of its divisors is an integer number (1733578247520).

Almost surely, 222221102222011 is an apocalyptic number.

22221102222011 is a deficient number, since it is larger than the sum of its proper divisors (5516149738309).

22221102222011 is a wasteful number, since it uses less digits than its factorization.

22221102222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343964794.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221102222011 its reverse (11022220112222), we get a palindrome (33243322334233).

The spelling of 22221102222011 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred two million, two hundred twenty-two thousand, eleven".

Divisors: 1 7 11 77 839 5873 9229 64603 343963937 2407747559 3783603307 26485223149 288585743143 2020100202001 3174443174573 22221102222011