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22211001121 = 199745726371
BaseRepresentation
bin10100101011111000…
…001111101100100001
32010022220220202121011
4110223320033230201
5330442004013441
614111550500521
71414260252211
oct245370175441
963286822534
1022211001121
119468592981
12437a504741
13212c78b71a
141109bc8241
1589ee0c581
hex52be0fb21

22211001121 has 16 divisors (see below), whose sum is σ = 23673616960. Its totient is φ = 20778716160.

The previous prime is 22211001103. The next prime is 22211001151. The reversal of 22211001121 is 12110011222.

It is a de Polignac number, because none of the positive numbers 2k-22211001121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22211001151) 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, 829066 + ... + 855436.

It is an arithmetic number, because the mean of its divisors is an integer number (1479601060).

Almost surely, 222211001121 is an apocalyptic number.

It is an amenable number.

22211001121 is a deficient number, since it is larger than the sum of its proper divisors (1462615839).

22211001121 is a wasteful number, since it uses less digits than its factorization.

22211001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26944.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22211001121 its reverse (12110011222), we get a palindrome (34321012343).

The spelling of 22211001121 in words is "twenty-two billion, two hundred eleven million, one thousand, one hundred twenty-one".

Divisors: 1 19 97 457 1843 8683 26371 44329 501049 842251 2557987 12051547 48601753 228979393 1169000059 22211001121