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22222112011113 = 372850713712043
BaseRepresentation
bin1010000110101111111010…
…00101111011001101101001
32220200102011012020120221210
411003113331011323031221
510403041341133323423
6115132410342223333
74452331436331450
oct503277505731551
986612135216853
1022222112011113
1170983879a0273
1225aa964424b49
13c526c7c76b01
1456b7ad7a9b97
152880ac68eb93
hex1435fd17b369

22222112011113 has 16 divisors (see below), whose sum is σ = 33862393829376. Its totient is φ = 12698301755280.

The previous prime is 22222112011111. The next prime is 22222112011189. The reversal of 22222112011113 is 31111021122222.

It is not a de Polignac number, because 22222112011113 - 21 = 22222112011111 is a prime.

It is a super-2 number, since 2×222221120111132 (a number of 27 digits) contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22222112011113.

It is not an unprimeable number, because it can be changed into a prime (22222112011111) 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, 4130470 + ... + 7842512.

It is an arithmetic number, because the mean of its divisors is an integer number (2116399614336).

Almost surely, 222222112011113 is an apocalyptic number.

It is an amenable number.

22222112011113 is a deficient number, since it is larger than the sum of its proper divisors (11640281818263).

22222112011113 is a wasteful number, since it uses less digits than its factorization.

22222112011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997124.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 22222112011113 its reverse (31111021122222), we get a palindrome (53333133133335).

It can be divided in two parts, 2222211 and 2011113, that added together give a palindrome (4233324).

The spelling of 22222112011113 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twelve million, eleven thousand, one hundred thirteen".

Divisors: 1 3 7 21 285071 855213 1995497 3712043 5986491 11136129 25984301 77952903 1058195810053 3174587430159 7407370670371 22222112011113