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22102002111 = 371955393489
BaseRepresentation
bin10100100101011000…
…011100100110111111
32010001022211001001210
4110211120130212333
5330231103031421
614053054335503
71411464626640
oct244530344677
963038731053
1022102002111
119412005352
124349aba593
132113016b77
1410d95336c7
1589557b576
hex52561c9bf

22102002111 has 16 divisors (see below), whose sum is σ = 35451833600. Its totient is φ = 11964993408.

The previous prime is 22102002103. The next prime is 22102002119. The reversal of 22102002111 is 11120020122.

It is an interprime number because it is at equal distance from previous prime (22102002103) and next prime (22102002119).

It is not a de Polignac number, because 22102002111 - 23 = 22102002103 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 (22102002119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27696346 + ... + 27697143.

It is an arithmetic number, because the mean of its divisors is an integer number (2215739600).

Almost surely, 222102002111 is an apocalyptic number.

22102002111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22102002111 is a deficient number, since it is larger than the sum of its proper divisors (13349831489).

22102002111 is a wasteful number, since it uses less digits than its factorization.

22102002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55393518.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22102002111 its reverse (11120020122), we get a palindrome (33222022233).

The spelling of 22102002111 in words is "twenty-two billion, one hundred two million, two thousand, one hundred eleven".

Divisors: 1 3 7 19 21 57 133 399 55393489 166180467 387754423 1052476291 1163263269 3157428873 7367334037 22102002111