Base | Representation |
---|---|
bin | 11110100011111110111… |
… | …011101110011101010110 |
3 | 21102210001000112202020211 |
4 | 132203332323232131112 |
5 | 233402223101010402 |
6 | 4244454523120034 |
7 | 304510302612313 |
oct | 36437673563526 |
9 | 7383030482224 |
10 | 2100221110102 |
11 | 73a776078205 |
12 | 29b05397301a |
13 | 123085b0c89b |
14 | 73919029d0a |
15 | 399718414d7 |
hex | 1e8feeee756 |
2100221110102 has 4 divisors (see below), whose sum is σ = 3150331665156. Its totient is φ = 1050110555050.
The previous prime is 2100221110079. The next prime is 2100221110121. The reversal of 2100221110102 is 2010111220012.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×21002211101022 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525055277524 + ... + 525055277527.
It is an arithmetic number, because the mean of its divisors is an integer number (787582916289).
Almost surely, 22100221110102 is an apocalyptic number.
2100221110102 is a deficient number, since it is larger than the sum of its proper divisors (1050110555054).
2100221110102 is a wasteful number, since it uses less digits than its factorization.
2100221110102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1050110555053.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2100221110102 its reverse (2010111220012), we get a palindrome (4110332330114).
The spelling of 2100221110102 in words is "two trillion, one hundred billion, two hundred twenty-one million, one hundred ten thousand, one hundred two".
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