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22111202110100 = 2252221112021101
BaseRepresentation
bin1010000011100001010100…
…10110001110101010010100
32220021210212200200212001012
411001300222112032222110
510344232220220010400
6115005425050151352
74441324125614405
oct501605226165224
986253780625035
1022111202110100
117055343176054
122591370a22558
13c451010c7a4c
1456628b80d9ac
1528526a761d35
hex141c2a58ea94

22111202110100 has 18 divisors (see below), whose sum is σ = 47981308579134. Its totient is φ = 8844480844000.

The previous prime is 22111202110091. The next prime is 22111202110103. The reversal of 22111202110100 is 101120211122.

It can be written as a sum of positive squares in 3 ways, for example, as 28238596 + 22111173871504 = 5314^2 + 4702252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111202110103) 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 5 ways as a sum of consecutive naturals, for example, 110556010451 + ... + 110556010650.

Almost surely, 222111202110100 is an apocalyptic number.

22111202110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111202110100 is an abundant number, since it is smaller than the sum of its proper divisors (25870106469034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111202110100 is a wasteful number, since it uses less digits than its factorization.

22111202110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221112021115 (or 221112021108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22111202110100 its reverse (101120211122), we get a palindrome (22212322321222).

The spelling of 22111202110100 in words is "twenty-two trillion, one hundred eleven billion, two hundred two million, one hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 221112021101 442224042202 884448084404 1105560105505 2211120211010 4422240422020 5527800527525 11055601055050 22111202110100