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22221201101 = 1119310466887
BaseRepresentation
bin10100101100011111…
…001001111011001101
32010100122002222100012
4110230133021323031
5331002111413401
614112553243005
71414443043601
oct245437117315
963318088305
1022221201101
11947331a310
124381a03465
132131920308
14110b2c1501
158a0c748bb
hex52c7c9ecd

22221201101 has 8 divisors (see below), whose sum is σ = 24366915264. Its totient is φ = 20096421120.

The previous prime is 22221201091. The next prime is 22221201187. The reversal of 22221201101 is 10110212222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22221201101 is a prime.

It is a super-2 number, since 2×222212011012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221201001) 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, 5231321 + ... + 5235566.

It is an arithmetic number, because the mean of its divisors is an integer number (3045864408).

Almost surely, 222221201101 is an apocalyptic number.

It is an amenable number.

22221201101 is a deficient number, since it is larger than the sum of its proper divisors (2145714163).

22221201101 is a wasteful number, since it uses less digits than its factorization.

22221201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10467091.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22221201101 its reverse (10110212222), we get a palindrome (32331413323).

It can be divided in two parts, 22221 and 201101, that added together give a palindrome (223322).

The spelling of 22221201101 in words is "twenty-two billion, two hundred twenty-one million, two hundred one thousand, one hundred one".

Divisors: 1 11 193 2123 10466887 115135757 2020109191 22221201101