Base | Representation |
---|---|
bin | 11101110000000010010… |
… | …00011101000110010001 |
3 | 10121201112100112212000212 |
4 | 32320001020131012101 |
5 | 113222002112210001 |
6 | 2101334004053505 |
7 | 133565410630565 |
oct | 16700110350621 |
9 | 3551470485025 |
10 | 1022221210001 |
11 | 364581250962 |
12 | 146143994295 |
13 | 75519bbcc04 |
14 | 3769372b6a5 |
15 | 1b8cc4dd7bb |
hex | ee0121d191 |
1022221210001 has 32 divisors (see below), whose sum is σ = 1052992512000. Its totient is φ = 992045880000.
The previous prime is 1022221209967. The next prime is 1022221210063. The reversal of 1022221210001 is 1000121222201.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1022221210001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1022221210201) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1361146376 + ... + 1361147126.
It is an arithmetic number, because the mean of its divisors is an integer number (32906016000).
Almost surely, 21022221210001 is an apocalyptic number.
It is an amenable number.
1022221210001 is a deficient number, since it is larger than the sum of its proper divisors (30771301999).
1022221210001 is a wasteful number, since it uses less digits than its factorization.
1022221210001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1797.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1022221210001 its reverse (1000121222201), we get a palindrome (2022342432202).
The spelling of 1022221210001 in words is "one trillion, twenty-two billion, two hundred twenty-one million, two hundred ten thousand, one".
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