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22111112120201 = 139224871843771
BaseRepresentation
bin1010000011100001001001…
…11110111100011110001001
32220021210122102100220002222
411001300210332330132021
510344232024200321301
6115005412113303425
74441321653663236
oct501604476743611
986253572326088
1022111112120201
1170552a73a1335
122591346864b75
13c450b857a5a0
1456627d8a678d
152852628d831b
hex141c24fbc789

22111112120201 has 8 divisors (see below), whose sum is σ = 23812005626304. Its totient is φ = 20410224146640.

The previous prime is 22111112120191. The next prime is 22111112120267. The reversal of 22111112120201 is 10202121111122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22111112120201 - 26 = 22111112120137 is a prime.

It is a super-2 number, since 2×221111121202012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22111112120201.

It is not an unprimeable number, because it can be changed into a prime (22111112120101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11070446 + ... + 12914216.

It is an arithmetic number, because the mean of its divisors is an integer number (2976500703288).

Almost surely, 222111112120201 is an apocalyptic number.

It is an amenable number.

22111112120201 is a deficient number, since it is larger than the sum of its proper divisors (1700893506103).

22111112120201 is a wasteful number, since it uses less digits than its factorization.

22111112120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766271.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111112120201 its reverse (10202121111122), we get a palindrome (32313233231323).

The spelling of 22111112120201 in words is "twenty-two trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty thousand, two hundred one".

Divisors: 1 13 922487 1843771 11992331 23969023 1700854778477 22111112120201