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22112211122101 = 311997427383591
BaseRepresentation
bin1010000011100011001100…
…11111010011011110110101
32220021220111000022222022001
411001301212133103132311
510344241302021401401
6115010113132535301
74441361130231352
oct501614637233665
986256430288261
1022112211122101
117055810794771
1225915b2921531
13c4523216bb79
14566345825629
152852c9123601
hex141c667d37b5

22112211122101 has 16 divisors (see below), whose sum is σ = 22842555890688. Its totient is φ = 21382937222400.

The previous prime is 22112211122093. The next prime is 22112211122123. The reversal of 22112211122101 is 10122111221122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22112211122101 - 23 = 22112211122093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112211122401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264486816 + ... + 264570406.

It is an arithmetic number, because the mean of its divisors is an integer number (1427659743168).

Almost surely, 222112211122101 is an apocalyptic number.

It is an amenable number.

22112211122101 is a deficient number, since it is larger than the sum of its proper divisors (730344768587).

22112211122101 is a wasteful number, since it uses less digits than its factorization.

22112211122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89892.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22112211122101 its reverse (10122111221122), we get a palindrome (32234322343223).

The spelling of 22112211122101 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 31 1997 4273 61907 83591 132463 2591321 8533181 166931227 264528611 357184343 5174868037 11072714633 713297132971 22112211122101